dont use interpreter for references

extensions/positron-python/python_files/posit/positron/positron_jedilsp.py

@@ -653,7 +653,18 @@ def positron_hover(
 def positron_references(
     server: PositronJediLanguageServer, params: TextDocumentPositionParams
 ) -> Optional[List[Location]]:
-    return references(server, params)
+    document = server.workspace.get_text_document(params.text_document.uri)
+    # TODO: Don't use an Interpreter until we debug the corresponding test on Python <= 3.9.
+    #       Not missing out on much since references don't use namespace information anyway.
+    jedi_script = Script(code=document.source, path=document.path, project=server.project)
+    jedi_lines = jedi_utils.line_column(params.position)
+    names = jedi_script.get_references(*jedi_lines)
+    locations = [
+        location
+        for location in (jedi_utils.lsp_location(name) for name in names)
+        if location is not None
+    ]
+    return locations if locations else None
 
 
 @POSITRON.feature(TEXT_DOCUMENT_DOCUMENT_SYMBOL)

extensions/positron-python/python_files/posit/positron/tests/test_positron_jedilsp.py

@@ -822,13 +822,6 @@ def test_positron_hover(source: str, namespace: Dict[str, Any], expected_fullnam
                 Location(TEST_DOCUMENT_URI, Range(Position(0, 0), Position(0, 4))),
             ],
             id="from_namespace",
-            marks=pytest.mark.skipif(
-                sys.version_info <= (3, 9),
-                reason=(
-                    "Fails due to a missing Parso cache entry. "
-                    "Probably not worth debugging at this point."
-                ),
-            ),
         ),
     ],
 )