diff --git a/news/5021.bugfix b/news/5021.bugfix
index 4de60b18e76..36606fd20f5 100644
--- a/news/5021.bugfix
+++ b/news/5021.bugfix
@@ -1 +1 @@
-Package name should be normalized before we use it to search if it's already installed or not
+Use canonical package names while looking up already installed packages.
diff --git a/src/pip/_internal/commands/search.py b/src/pip/_internal/commands/search.py
index c01d96a2473..e906ce7667f 100644
--- a/src/pip/_internal/commands/search.py
+++ b/src/pip/_internal/commands/search.py
@@ -19,7 +19,6 @@
 from pip._internal.network.xmlrpc import PipXmlrpcTransport
 from pip._internal.utils.compat import get_terminal_size
 from pip._internal.utils.logging import indent_log
-
 from pip._internal.utils.misc import get_distribution, write_output
 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
 
@@ -32,7 +31,6 @@
         {'name': str, 'summary': str, 'versions': List[str]},
     )
 
-
 logger = logging.getLogger(__name__)
 
 
diff --git a/src/pip/_internal/req/req_install.py b/src/pip/_internal/req/req_install.py
index 2aa853642c5..644930a1528 100644
--- a/src/pip/_internal/req/req_install.py
+++ b/src/pip/_internal/req/req_install.py
@@ -429,7 +429,6 @@ def check_if_exists(self, use_user_site):
         """
         if self.req is None:
             return
-
         # get_distribution() will resolve the entire list of requirements
         # anyway, and we've already determined that we need the requirement
         # in question, so strip the marker so that we don't try to