4.x had the same issue with python 3.8; until we drop it we may have to patch importlib-metadata version that we vendor.

matteius · matteius · commit b3ad3b275901 · 2024-04-24T01:41:54.000-04:00
diff --git a/pipenv/__init__.py b/pipenv/__init__.py
@@ -11,7 +11,6 @@
 
 # Load patched pip instead of system pip
 os.environ["PIP_DISABLE_PIP_VERSION_CHECK"] = "1"
-os.environ["_PIP_USE_IMPORTLIB_METADATA"] = "1"
 
 
 def _ensure_modules():
