Setuptools now implements proper normalization

Author: uranusjr

tests/functional/test_install_extras.py

@@ -159,17 +159,7 @@ def test_install_fails_if_extra_at_end(
     "specified_extra, requested_extra",
     [
         ("Hop_hOp-hoP", "Hop_hOp-hoP"),
-        pytest.param(
-            "Hop_hOp-hoP",
-            "hop-hop-hop",
-            marks=pytest.mark.xfail(
-                reason=(
-                    "matching a normalized extra request against an"
-                    "unnormalized extra in metadata requires PEP 685 support "
-                    "in packaging (see pypa/pip#11445)."
-                ),
-            ),
-        ),
+        ("Hop_hOp-hoP", "hop-hop-hop"),
         ("hop-hop-hop", "Hop_hOp-hoP"),
     ],
 )

tests/requirements-common_wheels.txt

@@ -5,7 +5,8 @@
 # 4. Replacing the `setuptools` entry below with a `file:///...` URL
 # (Adjust artifact directory used based on preference and operating system)
 
-setuptools >= 40.8.0, != 60.6.0
+# Implements new extra normalization.
+setuptools >= 68.2
 wheel
 # As required by pytest-cov.
 coverage >= 4.4