diff --git a/src/packagedcode/pypi.py b/src/packagedcode/pypi.py
index 3c83b656ba9..e88a17b9ee4 100644
--- a/src/packagedcode/pypi.py
+++ b/src/packagedcode/pypi.py
@@ -1149,7 +1149,7 @@ def get_requires_dependencies(requires, default_scope='install'):
                 is_runtime=True,
                 is_optional=False,
                 is_resolved=is_resolved,
-                extracted_requirement=requirement,
+                extracted_requirement=str(req),
         ))
 
     return dependent_packages
diff --git a/tests/packagedcode/data/pypi/archive/commoncode-21.5.12-py3.9.egg-expected.json b/tests/packagedcode/data/pypi/archive/commoncode-21.5.12-py3.9.egg-expected.json
index 31e3decdf7b..0c1cb94bbfb 100644
--- a/tests/packagedcode/data/pypi/archive/commoncode-21.5.12-py3.9.egg-expected.json
+++ b/tests/packagedcode/data/pypi/archive/commoncode-21.5.12-py3.9.egg-expected.json
@@ -69,7 +69,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/attrs",
-        "extracted_requirement": "!=20.1.0,>=18.1",
+        "extracted_requirement": "attrs!=20.1.0,>=18.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -78,7 +78,7 @@
       },
       {
         "purl": "pkg:pypi/click",
-        "extracted_requirement": ">=6.0.0",
+        "extracted_requirement": "click>=6.0.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -87,7 +87,7 @@
       },
       {
         "purl": "pkg:pypi/text-unidecode",
-        "extracted_requirement": ">=1.0",
+        "extracted_requirement": "text_unidecode>=1.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -96,7 +96,7 @@
       },
       {
         "purl": "pkg:pypi/beautifulsoup4",
-        "extracted_requirement": "<5.0.0,>=4.0.0",
+        "extracted_requirement": "Beautifulsoup4<5.0.0,>=4.0.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -105,7 +105,7 @@
       },
       {
         "purl": "pkg:pypi/requests",
-        "extracted_requirement": "<3.0.0,>=2.7.0",
+        "extracted_requirement": "requests<3.0.0,>=2.7.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -114,7 +114,7 @@
       },
       {
         "purl": "pkg:pypi/intbitset",
-        "extracted_requirement": "<3.0,>=2.3.0",
+        "extracted_requirement": "intbitset<3.0,>=2.3.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -123,7 +123,7 @@
       },
       {
         "purl": "pkg:pypi/saneyaml",
-        "extracted_requirement": null,
+        "extracted_requirement": "saneyaml",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -132,7 +132,7 @@
       },
       {
         "purl": "pkg:pypi/typing",
-        "extracted_requirement": "<3.7,>=3.6",
+        "extracted_requirement": "typing<3.7,>=3.6; python_version < \"3.7\"",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -141,7 +141,7 @@
       },
       {
         "purl": "pkg:pypi/sphinx",
-        "extracted_requirement": ">=3.3.1",
+        "extracted_requirement": "Sphinx>=3.3.1; extra == \"docs\"",
         "scope": "docs",
         "is_runtime": true,
         "is_optional": false,
@@ -150,7 +150,7 @@
       },
       {
         "purl": "pkg:pypi/sphinx-rtd-theme",
-        "extracted_requirement": ">=0.5.0",
+        "extracted_requirement": "sphinx-rtd-theme>=0.5.0; extra == \"docs\"",
         "scope": "docs",
         "is_runtime": true,
         "is_optional": false,
@@ -159,7 +159,7 @@
       },
       {
         "purl": "pkg:pypi/doc8",
-        "extracted_requirement": ">=0.8.1",
+        "extracted_requirement": "doc8>=0.8.1; extra == \"docs\"",
         "scope": "docs",
         "is_runtime": true,
         "is_optional": false,
@@ -168,7 +168,7 @@
       },
       {
         "purl": "pkg:pypi/pytest",
-        "extracted_requirement": ">=6",
+        "extracted_requirement": "pytest>=6; extra == \"testing\"",
         "scope": "testing",
         "is_runtime": true,
         "is_optional": false,
@@ -177,7 +177,7 @@
       },
       {
         "purl": "pkg:pypi/pytest-xdist",
-        "extracted_requirement": ">=2",
+        "extracted_requirement": "pytest-xdist>=2; extra == \"testing\"",
         "scope": "testing",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/develop/scancode_toolkit.egg-info-expected.json b/tests/packagedcode/data/pypi/develop/scancode_toolkit.egg-info-expected.json
index f9ef9fd1336..a9216c05c4e 100644
--- a/tests/packagedcode/data/pypi/develop/scancode_toolkit.egg-info-expected.json
+++ b/tests/packagedcode/data/pypi/develop/scancode_toolkit.egg-info-expected.json
@@ -1079,7 +1079,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/attrs",
-        "extracted_requirement": "!=20.1.0,>=18.1",
+        "extracted_requirement": "attrs!=20.1.0,>=18.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1088,7 +1088,7 @@
       },
       {
         "purl": "pkg:pypi/beautifulsoup4",
-        "extracted_requirement": "<5.0.0,>=4.0.0",
+        "extracted_requirement": "Beautifulsoup4<5.0.0,>=4.0.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1097,7 +1097,7 @@
       },
       {
         "purl": "pkg:pypi/bitarray",
-        "extracted_requirement": "<1.0.0,>=0.8.1",
+        "extracted_requirement": "bitarray<1.0.0,>=0.8.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1106,7 +1106,7 @@
       },
       {
         "purl": "pkg:pypi/boolean-py",
-        "extracted_requirement": "<4.0,>=3.5",
+        "extracted_requirement": "boolean.py<4.0,>=3.5",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1115,7 +1115,7 @@
       },
       {
         "purl": "pkg:pypi/chardet",
-        "extracted_requirement": ">=3.0.0",
+        "extracted_requirement": "chardet>=3.0.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1124,7 +1124,7 @@
       },
       {
         "purl": "pkg:pypi/click",
-        "extracted_requirement": "!=7.0,>=6.7",
+        "extracted_requirement": "click!=7.0,>=6.7",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1133,7 +1133,7 @@
       },
       {
         "purl": "pkg:pypi/colorama",
-        "extracted_requirement": ">=0.3.9",
+        "extracted_requirement": "colorama>=0.3.9",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1142,7 +1142,7 @@
       },
       {
         "purl": "pkg:pypi/commoncode",
-        "extracted_requirement": ">=21.1.21",
+        "extracted_requirement": "commoncode>=21.1.21",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1151,7 +1151,7 @@
       },
       {
         "purl": "pkg:pypi/debian-inspector",
-        "extracted_requirement": ">=0.9.10",
+        "extracted_requirement": "debian-inspector>=0.9.10",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1160,7 +1160,7 @@
       },
       {
         "purl": "pkg:pypi/dparse",
-        "extracted_requirement": ">=0.5.1",
+        "extracted_requirement": "dparse>=0.5.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1169,7 +1169,7 @@
       },
       {
         "purl": "pkg:pypi/fasteners",
-        "extracted_requirement": null,
+        "extracted_requirement": "fasteners",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1178,7 +1178,7 @@
       },
       {
         "purl": "pkg:pypi/fingerprints",
-        "extracted_requirement": ">=0.6.0",
+        "extracted_requirement": "fingerprints>=0.6.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1187,7 +1187,7 @@
       },
       {
         "purl": "pkg:pypi/ftfy",
-        "extracted_requirement": "<5.0.0",
+        "extracted_requirement": "ftfy<5.0.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1196,7 +1196,7 @@
       },
       {
         "purl": "pkg:pypi/gemfileparser",
-        "extracted_requirement": ">=0.7.0",
+        "extracted_requirement": "gemfileparser>=0.7.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1205,7 +1205,7 @@
       },
       {
         "purl": "pkg:pypi/html5lib",
-        "extracted_requirement": null,
+        "extracted_requirement": "html5lib",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1214,7 +1214,7 @@
       },
       {
         "purl": "pkg:pypi/intbitset",
-        "extracted_requirement": "<3.0,>=2.3.0",
+        "extracted_requirement": "intbitset<3.0,>=2.3.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1223,7 +1223,7 @@
       },
       {
         "purl": "pkg:pypi/jaraco-functools",
-        "extracted_requirement": null,
+        "extracted_requirement": "jaraco.functools",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1232,7 +1232,7 @@
       },
       {
         "purl": "pkg:pypi/javaproperties",
-        "extracted_requirement": ">=0.5",
+        "extracted_requirement": "javaproperties>=0.5",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1241,7 +1241,7 @@
       },
       {
         "purl": "pkg:pypi/jinja2",
-        "extracted_requirement": "<3.0.0,>=2.7.0",
+        "extracted_requirement": "jinja2<3.0.0,>=2.7.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1250,7 +1250,7 @@
       },
       {
         "purl": "pkg:pypi/jsonstreams",
-        "extracted_requirement": ">=0.5.0",
+        "extracted_requirement": "jsonstreams>=0.5.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1259,7 +1259,7 @@
       },
       {
         "purl": "pkg:pypi/license-expression",
-        "extracted_requirement": ">=0.99",
+        "extracted_requirement": "license_expression>=0.99",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1268,7 +1268,7 @@
       },
       {
         "purl": "pkg:pypi/lxml",
-        "extracted_requirement": "<5.0.0,>=4.0.0",
+        "extracted_requirement": "lxml<5.0.0,>=4.0.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1277,7 +1277,7 @@
       },
       {
         "purl": "pkg:pypi/markupsafe",
-        "extracted_requirement": ">=0.23",
+        "extracted_requirement": "MarkupSafe>=0.23",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1286,7 +1286,7 @@
       },
       {
         "purl": "pkg:pypi/nltk",
-        "extracted_requirement": "!=3.6,<4.0,>=3.2",
+        "extracted_requirement": "nltk!=3.6,<4.0,>=3.2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1295,7 +1295,7 @@
       },
       {
         "purl": "pkg:pypi/packageurl-python",
-        "extracted_requirement": ">=0.7.0",
+        "extracted_requirement": "packageurl_python>=0.7.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1304,7 +1304,7 @@
       },
       {
         "purl": "pkg:pypi/pdfminer-six",
-        "extracted_requirement": ">=20170720",
+        "extracted_requirement": "pdfminer.six>=20170720",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1313,7 +1313,7 @@
       },
       {
         "purl": "pkg:pypi/pefile",
-        "extracted_requirement": ">=2018.8.8",
+        "extracted_requirement": "pefile>=2018.8.8",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1322,7 +1322,7 @@
       },
       {
         "purl": "pkg:pypi/pkginfo",
-        "extracted_requirement": ">=1.5.0.1",
+        "extracted_requirement": "pkginfo>=1.5.0.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1331,7 +1331,7 @@
       },
       {
         "purl": "pkg:pypi/pluggy",
-        "extracted_requirement": "<1.0,>=0.4.0",
+        "extracted_requirement": "pluggy<1.0,>=0.4.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1340,7 +1340,7 @@
       },
       {
         "purl": "pkg:pypi/plugincode",
-        "extracted_requirement": ">=21.1.21",
+        "extracted_requirement": "plugincode>=21.1.21",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1349,7 +1349,7 @@
       },
       {
         "purl": "pkg:pypi/publicsuffix2",
-        "extracted_requirement": null,
+        "extracted_requirement": "publicsuffix2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1358,7 +1358,7 @@
       },
       {
         "purl": "pkg:pypi/pyahocorasick",
-        "extracted_requirement": "<1.5,>=1.4",
+        "extracted_requirement": "pyahocorasick<1.5,>=1.4",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1367,7 +1367,7 @@
       },
       {
         "purl": "pkg:pypi/pycryptodome",
-        "extracted_requirement": ">=3.4",
+        "extracted_requirement": "pycryptodome>=3.4",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1376,7 +1376,7 @@
       },
       {
         "purl": "pkg:pypi/pygments",
-        "extracted_requirement": null,
+        "extracted_requirement": "pygments",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1385,7 +1385,7 @@
       },
       {
         "purl": "pkg:pypi/pymaven-patch",
-        "extracted_requirement": ">=0.2.8",
+        "extracted_requirement": "pymaven_patch>=0.2.8",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1394,7 +1394,7 @@
       },
       {
         "purl": "pkg:pypi/requests",
-        "extracted_requirement": "<3.0.0,>=2.7.0",
+        "extracted_requirement": "requests<3.0.0,>=2.7.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1403,7 +1403,7 @@
       },
       {
         "purl": "pkg:pypi/saneyaml",
-        "extracted_requirement": ">=0.5.2",
+        "extracted_requirement": "saneyaml>=0.5.2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1412,7 +1412,7 @@
       },
       {
         "purl": "pkg:pypi/spdx-tools",
-        "extracted_requirement": ">=0.6.0",
+        "extracted_requirement": "spdx_tools>=0.6.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1421,7 +1421,7 @@
       },
       {
         "purl": "pkg:pypi/text-unidecode",
-        "extracted_requirement": "<2.0,>=1.0",
+        "extracted_requirement": "text_unidecode<2.0,>=1.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1430,7 +1430,7 @@
       },
       {
         "purl": "pkg:pypi/toml",
-        "extracted_requirement": ">=0.10.0",
+        "extracted_requirement": "toml>=0.10.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1439,7 +1439,7 @@
       },
       {
         "purl": "pkg:pypi/urlpy",
-        "extracted_requirement": null,
+        "extracted_requirement": "urlpy",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1448,7 +1448,7 @@
       },
       {
         "purl": "pkg:pypi/xmltodict",
-        "extracted_requirement": ">=0.11.0",
+        "extracted_requirement": "xmltodict>=0.11.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1457,7 +1457,7 @@
       },
       {
         "purl": "pkg:pypi/extractcode",
-        "extracted_requirement": ">=21.2.24",
+        "extracted_requirement": "extractcode[full]>=21.2.24",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1466,7 +1466,7 @@
       },
       {
         "purl": "pkg:pypi/typecode",
-        "extracted_requirement": ">=21.2.24",
+        "extracted_requirement": "typecode[full]>=21.2.24",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1475,7 +1475,7 @@
       },
       {
         "purl": "pkg:pypi/typing",
-        "extracted_requirement": "<3.7,>=3.6",
+        "extracted_requirement": "typing<3.7,>=3.6; python_version < \"3.7\"",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -1484,7 +1484,7 @@
       },
       {
         "purl": "pkg:pypi/pytest",
-        "extracted_requirement": null,
+        "extracted_requirement": "pytest; extra == \"dev\"",
         "scope": "dev",
         "is_runtime": true,
         "is_optional": false,
@@ -1493,7 +1493,7 @@
       },
       {
         "purl": "pkg:pypi/pytest-cov",
-        "extracted_requirement": null,
+        "extracted_requirement": "pytest-cov; extra == \"dev\"",
         "scope": "dev",
         "is_runtime": true,
         "is_optional": false,
@@ -1502,7 +1502,7 @@
       },
       {
         "purl": "pkg:pypi/pytest-xdist",
-        "extracted_requirement": null,
+        "extracted_requirement": "pytest-xdist; extra == \"dev\"",
         "scope": "dev",
         "is_runtime": true,
         "is_optional": false,
@@ -1511,7 +1511,7 @@
       },
       {
         "purl": "pkg:pypi/pytest-rerunfailures",
-        "extracted_requirement": null,
+        "extracted_requirement": "pytest-rerunfailures; extra == \"dev\"",
         "scope": "dev",
         "is_runtime": true,
         "is_optional": false,
@@ -1520,7 +1520,7 @@
       },
       {
         "purl": "pkg:pypi/aboutcode-toolkit",
-        "extracted_requirement": ">=6.0.0",
+        "extracted_requirement": "aboutcode-toolkit>=6.0.0; extra == \"dev\"",
         "scope": "dev",
         "is_runtime": true,
         "is_optional": false,
@@ -1529,7 +1529,7 @@
       },
       {
         "purl": "pkg:pypi/bump2version",
-        "extracted_requirement": null,
+        "extracted_requirement": "bump2version; extra == \"dev\"",
         "scope": "dev",
         "is_runtime": true,
         "is_optional": false,
@@ -1538,7 +1538,7 @@
       },
       {
         "purl": "pkg:pypi/codecov",
-        "extracted_requirement": null,
+        "extracted_requirement": "codecov; extra == \"dev\"",
         "scope": "dev",
         "is_runtime": true,
         "is_optional": false,
@@ -1547,7 +1547,7 @@
       },
       {
         "purl": "pkg:pypi/coverage",
-        "extracted_requirement": null,
+        "extracted_requirement": "coverage; extra == \"dev\"",
         "scope": "dev",
         "is_runtime": true,
         "is_optional": false,
@@ -1556,7 +1556,7 @@
       },
       {
         "purl": "pkg:pypi/rpm-inspector-rpm",
-        "extracted_requirement": ">=4.16.1.3",
+        "extracted_requirement": "rpm_inspector_rpm>=4.16.1.3; platform_system == \"Linux\" and extra == \"packages\"",
         "scope": "packages",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/metadata/v20/PKG-INFO-expected.json b/tests/packagedcode/data/pypi/metadata/v20/PKG-INFO-expected.json
index 45a423392be..dab1682c4b2 100644
--- a/tests/packagedcode/data/pypi/metadata/v20/PKG-INFO-expected.json
+++ b/tests/packagedcode/data/pypi/metadata/v20/PKG-INFO-expected.json
@@ -65,7 +65,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/pykerberos",
-        "extracted_requirement": null,
+        "extracted_requirement": "pykerberos; extra == \"gssapi\"",
         "scope": "gssapi",
         "is_runtime": true,
         "is_optional": false,
@@ -74,7 +74,7 @@
       },
       {
         "purl": "pkg:pypi/dnspython",
-        "extracted_requirement": "<2.0.0,>=1.8.0",
+        "extracted_requirement": "dnspython<2.0.0,>=1.8.0; extra == \"srv\"",
         "scope": "srv",
         "is_runtime": true,
         "is_optional": false,
@@ -83,7 +83,7 @@
       },
       {
         "purl": "pkg:pypi/ipaddress",
-        "extracted_requirement": null,
+        "extracted_requirement": "ipaddress; extra == \"tls\"",
         "scope": "tls",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/setup.py/nvchecker_setup.py-expected.json b/tests/packagedcode/data/pypi/setup.py/nvchecker_setup.py-expected.json
index 6a9a8ba3c4d..3c345b748e0 100644
--- a/tests/packagedcode/data/pypi/setup.py/nvchecker_setup.py-expected.json
+++ b/tests/packagedcode/data/pypi/setup.py/nvchecker_setup.py-expected.json
@@ -62,7 +62,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/tornado",
-        "extracted_requirement": ">=4.1",
+        "extracted_requirement": "tornado>=4.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -71,7 +71,7 @@
       },
       {
         "purl": "pkg:pypi/setuptools",
-        "extracted_requirement": null,
+        "extracted_requirement": "setuptools",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/setup.py/pydep_setup.py-expected.json b/tests/packagedcode/data/pypi/setup.py/pydep_setup.py-expected.json
index 85fcddea437..1c218f60bde 100644
--- a/tests/packagedcode/data/pypi/setup.py/pydep_setup.py-expected.json
+++ b/tests/packagedcode/data/pypi/setup.py/pydep_setup.py-expected.json
@@ -39,7 +39,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/pip@7.1.2",
-        "extracted_requirement": "==7.1.2",
+        "extracted_requirement": "pip==7.1.2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/setup.py/saneyaml_setup.py-expected.json b/tests/packagedcode/data/pypi/setup.py/saneyaml_setup.py-expected.json
index 6050d2fbd6d..9cbf2a4855a 100644
--- a/tests/packagedcode/data/pypi/setup.py/saneyaml_setup.py-expected.json
+++ b/tests/packagedcode/data/pypi/setup.py/saneyaml_setup.py-expected.json
@@ -59,7 +59,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/pyyaml",
-        "extracted_requirement": "<=3.13,>=3.11",
+        "extracted_requirement": "PyYAML<=3.13,>=3.11",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/setup.py/setup.py-expected.json b/tests/packagedcode/data/pypi/setup.py/setup.py-expected.json
index fb775c57f1f..cde8e8ca7c6 100644
--- a/tests/packagedcode/data/pypi/setup.py/setup.py-expected.json
+++ b/tests/packagedcode/data/pypi/setup.py/setup.py-expected.json
@@ -56,7 +56,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/py2-ipaddress",
-        "extracted_requirement": "<3.0,>=2.0",
+        "extracted_requirement": "py2-ipaddress<3.0,>=2.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -65,7 +65,7 @@
       },
       {
         "purl": "pkg:pypi/url",
-        "extracted_requirement": ">=0.1.4",
+        "extracted_requirement": "url>=0.1.4",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -74,7 +74,7 @@
       },
       {
         "purl": "pkg:pypi/publicsuffix2",
-        "extracted_requirement": null,
+        "extracted_requirement": "publicsuffix2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -83,7 +83,7 @@
       },
       {
         "purl": "pkg:pypi/nltk",
-        "extracted_requirement": "<3.0.0,>=2.0b4",
+        "extracted_requirement": "nltk<3.0.0,>=2.0b4",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -92,7 +92,7 @@
       },
       {
         "purl": "pkg:pypi/patch",
-        "extracted_requirement": "<1.15,>=1.14.2",
+        "extracted_requirement": "patch<1.15,>=1.14.2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -101,7 +101,7 @@
       },
       {
         "purl": "pkg:pypi/bz2file",
-        "extracted_requirement": ">=0.98",
+        "extracted_requirement": "bz2file>=0.98",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -110,7 +110,7 @@
       },
       {
         "purl": "pkg:pypi/pyyaml",
-        "extracted_requirement": "<4.0,>=3.0",
+        "extracted_requirement": "PyYAML<4.0,>=3.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -119,7 +119,7 @@
       },
       {
         "purl": "pkg:pypi/beautifulsoup",
-        "extracted_requirement": "<4.0.0,>=3.2.0",
+        "extracted_requirement": "Beautifulsoup<4.0.0,>=3.2.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -128,7 +128,7 @@
       },
       {
         "purl": "pkg:pypi/beautifulsoup4",
-        "extracted_requirement": "<5.0.0,>=4.3.0",
+        "extracted_requirement": "Beautifulsoup4<5.0.0,>=4.3.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -137,7 +137,7 @@
       },
       {
         "purl": "pkg:pypi/html5lib",
-        "extracted_requirement": null,
+        "extracted_requirement": "html5lib",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -146,7 +146,7 @@
       },
       {
         "purl": "pkg:pypi/six",
-        "extracted_requirement": null,
+        "extracted_requirement": "six",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -155,7 +155,7 @@
       },
       {
         "purl": "pkg:pypi/pygments",
-        "extracted_requirement": "<3.0.0,>=2.0.0",
+        "extracted_requirement": "pygments<3.0.0,>=2.0.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -164,7 +164,7 @@
       },
       {
         "purl": "pkg:pypi/pdfminer",
-        "extracted_requirement": ">=20140328",
+        "extracted_requirement": "pdfminer>=20140328",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -173,7 +173,7 @@
       },
       {
         "purl": "pkg:pypi/chardet",
-        "extracted_requirement": "<3.0.0,>=2.1.1",
+        "extracted_requirement": "chardet<3.0.0,>=2.1.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -182,7 +182,7 @@
       },
       {
         "purl": "pkg:pypi/binaryornot",
-        "extracted_requirement": ">=0.4.0",
+        "extracted_requirement": "binaryornot>=0.4.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -191,7 +191,7 @@
       },
       {
         "purl": "pkg:pypi/click",
-        "extracted_requirement": "<5.0.0,>=4.0.0",
+        "extracted_requirement": "click<5.0.0,>=4.0.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -200,7 +200,7 @@
       },
       {
         "purl": "pkg:pypi/jinja2",
-        "extracted_requirement": "<3.0.0,>=2.7.0",
+        "extracted_requirement": "jinja2<3.0.0,>=2.7.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -209,7 +209,7 @@
       },
       {
         "purl": "pkg:pypi/markupsafe",
-        "extracted_requirement": ">=0.23",
+        "extracted_requirement": "MarkupSafe>=0.23",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -218,7 +218,7 @@
       },
       {
         "purl": "pkg:pypi/colorama",
-        "extracted_requirement": null,
+        "extracted_requirement": "colorama",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -227,7 +227,7 @@
       },
       {
         "purl": "pkg:pypi/about-code-tool",
-        "extracted_requirement": ">=0.9.0",
+        "extracted_requirement": "about-code-tool>=0.9.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -236,7 +236,7 @@
       },
       {
         "purl": "pkg:pypi/requests",
-        "extracted_requirement": "<3.0.0,>=2.7.0",
+        "extracted_requirement": "requests<3.0.0,>=2.7.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/setup.py/setuppycheck_setup.py-expected.json b/tests/packagedcode/data/pypi/setup.py/setuppycheck_setup.py-expected.json
index 8657861425e..c8650893662 100644
--- a/tests/packagedcode/data/pypi/setup.py/setuppycheck_setup.py-expected.json
+++ b/tests/packagedcode/data/pypi/setup.py/setuppycheck_setup.py-expected.json
@@ -43,7 +43,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/mock",
-        "extracted_requirement": null,
+        "extracted_requirement": "mock",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/setup.py/url_py_setup.py-expected.json b/tests/packagedcode/data/pypi/setup.py/url_py_setup.py-expected.json
index 8160c7679a4..c766a7a4556 100644
--- a/tests/packagedcode/data/pypi/setup.py/url_py_setup.py-expected.json
+++ b/tests/packagedcode/data/pypi/setup.py/url_py_setup.py-expected.json
@@ -49,7 +49,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/publicsuffix2",
-        "extracted_requirement": null,
+        "extracted_requirement": "publicsuffix2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/site-packages/site-packages-expected.json b/tests/packagedcode/data/pypi/site-packages/site-packages-expected.json
index 71c6f21cce5..f2e599ac4a1 100644
--- a/tests/packagedcode/data/pypi/site-packages/site-packages-expected.json
+++ b/tests/packagedcode/data/pypi/site-packages/site-packages-expected.json
@@ -2,7 +2,7 @@
   "dependencies": [
     {
       "purl": "pkg:pypi/colorama",
-      "extracted_requirement": null,
+      "extracted_requirement": "colorama; platform_system == \"Windows\"",
       "scope": "install",
       "is_runtime": true,
       "is_optional": false,
@@ -15,7 +15,7 @@
     },
     {
       "purl": "pkg:pypi/importlib-metadata",
-      "extracted_requirement": null,
+      "extracted_requirement": "importlib-metadata; python_version < \"3.8\"",
       "scope": "install",
       "is_runtime": true,
       "is_optional": false,
@@ -699,7 +699,7 @@
           "dependencies": [
             {
               "purl": "pkg:pypi/colorama",
-              "extracted_requirement": null,
+              "extracted_requirement": "colorama; platform_system == \"Windows\"",
               "scope": "install",
               "is_runtime": true,
               "is_optional": false,
@@ -708,7 +708,7 @@
             },
             {
               "purl": "pkg:pypi/importlib-metadata",
-              "extracted_requirement": null,
+              "extracted_requirement": "importlib-metadata; python_version < \"3.8\"",
               "scope": "install",
               "is_runtime": true,
               "is_optional": false,
@@ -851,7 +851,7 @@
           "dependencies": [
             {
               "purl": "pkg:pypi/six",
-              "extracted_requirement": ">=1.10.0",
+              "extracted_requirement": "six>=1.10.0",
               "scope": "install",
               "is_runtime": true,
               "is_optional": false,
@@ -860,7 +860,7 @@
             },
             {
               "purl": "pkg:pypi/zenhan",
-              "extracted_requirement": ">=0.5.2",
+              "extracted_requirement": "zenhan>=0.5.2",
               "scope": "install",
               "is_runtime": true,
               "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/unpacked_sdist/metadata-1.0/PyJPString-0.0.3-subdir-expected.json b/tests/packagedcode/data/pypi/unpacked_sdist/metadata-1.0/PyJPString-0.0.3-subdir-expected.json
index a611a88d286..db6cf94609d 100644
--- a/tests/packagedcode/data/pypi/unpacked_sdist/metadata-1.0/PyJPString-0.0.3-subdir-expected.json
+++ b/tests/packagedcode/data/pypi/unpacked_sdist/metadata-1.0/PyJPString-0.0.3-subdir-expected.json
@@ -171,7 +171,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/six",
-        "extracted_requirement": ">=1.10.0",
+        "extracted_requirement": "six>=1.10.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -180,7 +180,7 @@
       },
       {
         "purl": "pkg:pypi/zenhan",
-        "extracted_requirement": ">=0.5.2",
+        "extracted_requirement": "zenhan>=0.5.2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -189,7 +189,7 @@
       },
       {
         "purl": "pkg:pypi/django",
-        "extracted_requirement": null,
+        "extracted_requirement": "django; extra == \"test\"",
         "scope": "test",
         "is_runtime": true,
         "is_optional": false,
@@ -198,7 +198,7 @@
       },
       {
         "purl": "pkg:pypi/pytest@2.9.1",
-        "extracted_requirement": "==2.9.1",
+        "extracted_requirement": "pytest==2.9.1; extra == \"test\"",
         "scope": "test",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.0/Jinja2-2.10.dist-info-expected.json b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.0/Jinja2-2.10.dist-info-expected.json
index d3194244f67..3261e563afe 100644
--- a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.0/Jinja2-2.10.dist-info-expected.json
+++ b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.0/Jinja2-2.10.dist-info-expected.json
@@ -629,7 +629,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/markupsafe",
-        "extracted_requirement": ">=0.23",
+        "extracted_requirement": "MarkupSafe>=0.23",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -638,7 +638,7 @@
       },
       {
         "purl": "pkg:pypi/babel",
-        "extracted_requirement": ">=0.8",
+        "extracted_requirement": "Babel>=0.8; extra == \"i18n\"",
         "scope": "i18n",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.0/urllib3-1.26.4.dist-info-expected.json b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.0/urllib3-1.26.4.dist-info-expected.json
index abf9a6e6a27..9d8f64cdd98 100644
--- a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.0/urllib3-1.26.4.dist-info-expected.json
+++ b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.0/urllib3-1.26.4.dist-info-expected.json
@@ -839,7 +839,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/pyopenssl",
-        "extracted_requirement": ">=0.14",
+        "extracted_requirement": "pyOpenSSL>=0.14; extra == \"secure\"",
         "scope": "secure",
         "is_runtime": true,
         "is_optional": false,
@@ -848,7 +848,7 @@
       },
       {
         "purl": "pkg:pypi/cryptography",
-        "extracted_requirement": ">=1.3.4",
+        "extracted_requirement": "cryptography>=1.3.4; extra == \"secure\"",
         "scope": "secure",
         "is_runtime": true,
         "is_optional": false,
@@ -857,7 +857,7 @@
       },
       {
         "purl": "pkg:pypi/idna",
-        "extracted_requirement": ">=2.0.0",
+        "extracted_requirement": "idna>=2.0.0; extra == \"secure\"",
         "scope": "secure",
         "is_runtime": true,
         "is_optional": false,
@@ -866,7 +866,7 @@
       },
       {
         "purl": "pkg:pypi/certifi",
-        "extracted_requirement": null,
+        "extracted_requirement": "certifi; extra == \"secure\"",
         "scope": "secure",
         "is_runtime": true,
         "is_optional": false,
@@ -875,7 +875,7 @@
       },
       {
         "purl": "pkg:pypi/ipaddress",
-        "extracted_requirement": null,
+        "extracted_requirement": "ipaddress; python_version == \"2.7\" and extra == \"secure\"",
         "scope": "secure",
         "is_runtime": true,
         "is_optional": false,
@@ -884,7 +884,7 @@
       },
       {
         "purl": "pkg:pypi/pysocks",
-        "extracted_requirement": "!=1.5.7,<2.0,>=1.5.6",
+        "extracted_requirement": "PySocks!=1.5.7,<2.0,>=1.5.6; extra == \"socks\"",
         "scope": "socks",
         "is_runtime": true,
         "is_optional": false,
@@ -893,7 +893,7 @@
       },
       {
         "purl": "pkg:pypi/brotlipy",
-        "extracted_requirement": ">=0.6.0",
+        "extracted_requirement": "brotlipy>=0.6.0; extra == \"brotli\"",
         "scope": "brotli",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/haruka_bot-1.2.3.dist-info-expected.json b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/haruka_bot-1.2.3.dist-info-expected.json
index 942e46a077b..ea129b26531 100644
--- a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/haruka_bot-1.2.3.dist-info-expected.json
+++ b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/haruka_bot-1.2.3.dist-info-expected.json
@@ -236,7 +236,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/click",
-        "extracted_requirement": "<8.0.0,>=7.1.2",
+        "extracted_requirement": "click<8.0.0,>=7.1.2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -245,7 +245,7 @@
       },
       {
         "purl": "pkg:pypi/httpx",
-        "extracted_requirement": "<0.18.0,>=0.17.0",
+        "extracted_requirement": "httpx<0.18.0,>=0.17.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -254,7 +254,7 @@
       },
       {
         "purl": "pkg:pypi/nonebot-adapter-cqhttp",
-        "extracted_requirement": "<3.0.0,>=2.0.0-alpha.11",
+        "extracted_requirement": "nonebot-adapter-cqhttp<3.0.0,>=2.0.0-alpha.11",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -263,7 +263,7 @@
       },
       {
         "purl": "pkg:pypi/nonebot-plugin-apscheduler",
-        "extracted_requirement": "<0.2.0,>=0.1.2",
+        "extracted_requirement": "nonebot-plugin-apscheduler<0.2.0,>=0.1.2",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -272,7 +272,7 @@
       },
       {
         "purl": "pkg:pypi/nonebot2",
-        "extracted_requirement": "<3.0.0,>=2.0.0-alpha.11",
+        "extracted_requirement": "nonebot2<3.0.0,>=2.0.0-alpha.11",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -281,7 +281,7 @@
       },
       {
         "purl": "pkg:pypi/packaging",
-        "extracted_requirement": "<21.0,>=20.9",
+        "extracted_requirement": "packaging<21.0,>=20.9",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -290,7 +290,7 @@
       },
       {
         "purl": "pkg:pypi/pydantic",
-        "extracted_requirement": "<2.0.0,>=1.8.1",
+        "extracted_requirement": "pydantic<2.0.0,>=1.8.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -299,7 +299,7 @@
       },
       {
         "purl": "pkg:pypi/pyppeteer",
-        "extracted_requirement": "<0.3.0,>=0.2.5",
+        "extracted_requirement": "pyppeteer<0.3.0,>=0.2.5",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -308,7 +308,7 @@
       },
       {
         "purl": "pkg:pypi/python-dotenv",
-        "extracted_requirement": "<0.16.0,>=0.15.0",
+        "extracted_requirement": "python-dotenv<0.16.0,>=0.15.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -317,7 +317,7 @@
       },
       {
         "purl": "pkg:pypi/qrcode",
-        "extracted_requirement": "<7.0,>=6.1",
+        "extracted_requirement": "qrcode[pil]<7.0,>=6.1",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -326,7 +326,7 @@
       },
       {
         "purl": "pkg:pypi/rsa",
-        "extracted_requirement": "<5.0,>=4.7",
+        "extracted_requirement": "rsa<5.0,>=4.7",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -335,7 +335,7 @@
       },
       {
         "purl": "pkg:pypi/tinydb",
-        "extracted_requirement": "<5.0.0,>=4.3.0",
+        "extracted_requirement": "tinydb<5.0.0,>=4.3.0",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/plugincode-21.1.21.dist-info-expected.json b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/plugincode-21.1.21.dist-info-expected.json
index 44aa7617d29..64e7bde3dd7 100644
--- a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/plugincode-21.1.21.dist-info-expected.json
+++ b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/plugincode-21.1.21.dist-info-expected.json
@@ -261,7 +261,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/click",
-        "extracted_requirement": ">=6",
+        "extracted_requirement": "click>=6",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -270,7 +270,7 @@
       },
       {
         "purl": "pkg:pypi/commoncode",
-        "extracted_requirement": ">=21.1.21",
+        "extracted_requirement": "commoncode>=21.1.21",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -279,7 +279,7 @@
       },
       {
         "purl": "pkg:pypi/pluggy",
-        "extracted_requirement": null,
+        "extracted_requirement": "pluggy",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,
@@ -288,7 +288,7 @@
       },
       {
         "purl": "pkg:pypi/sphinx",
-        "extracted_requirement": ">=3.3.1",
+        "extracted_requirement": "Sphinx>=3.3.1; extra == \"docs\"",
         "scope": "docs",
         "is_runtime": true,
         "is_optional": false,
@@ -297,7 +297,7 @@
       },
       {
         "purl": "pkg:pypi/sphinx-rtd-theme",
-        "extracted_requirement": ">=0.5.0",
+        "extracted_requirement": "sphinx-rtd-theme>=0.5.0; extra == \"docs\"",
         "scope": "docs",
         "is_runtime": true,
         "is_optional": false,
@@ -306,7 +306,7 @@
       },
       {
         "purl": "pkg:pypi/doc8",
-        "extracted_requirement": ">=0.8.1",
+        "extracted_requirement": "doc8>=0.8.1; extra == \"docs\"",
         "scope": "docs",
         "is_runtime": true,
         "is_optional": false,
@@ -315,7 +315,7 @@
       },
       {
         "purl": "pkg:pypi/pytest",
-        "extracted_requirement": ">=6",
+        "extracted_requirement": "pytest>=6; extra == \"testing\"",
         "scope": "testing",
         "is_runtime": true,
         "is_optional": false,
@@ -324,7 +324,7 @@
       },
       {
         "purl": "pkg:pypi/pytest-xdist",
-        "extracted_requirement": ">=2",
+        "extracted_requirement": "pytest-xdist>=2; extra == \"testing\"",
         "scope": "testing",
         "is_runtime": true,
         "is_optional": false,
diff --git a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/with_sources/anonapi-0.0.19.dist-info-expected.json b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/with_sources/anonapi-0.0.19.dist-info-expected.json
index 9da37212bd8..814c7ecb77e 100644
--- a/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/with_sources/anonapi-0.0.19.dist-info-expected.json
+++ b/tests/packagedcode/data/pypi/unpacked_wheel/metadata-2.1/with_sources/anonapi-0.0.19.dist-info-expected.json
@@ -160,7 +160,7 @@
     "dependencies": [
       {
         "purl": "pkg:pypi/pyyaml",
-        "extracted_requirement": null,
+        "extracted_requirement": "pyyaml",
         "scope": "install",
         "is_runtime": true,
         "is_optional": false,