Use generator instead of list

Fixed by running `ruff --select UP027 --fix .`:
UP027 [*] Replace unpacked list comprehension with a generator expression

Author: DimitriPapadopoulos

pkg_resources/tests/test_working_set.py

@@ -76,10 +76,10 @@ def parametrize_test_working_set_resolve(*test_list):
             requirements,
             expected1,
             expected2,
-        ) = [
+        ) = (
             strip_comments(s.lstrip())
             for s in textwrap.dedent(test).lstrip().split('\n\n', 5)
-        ]
+        )
         installed_dists = list(parse_distributions(installed_dists))
         installable_dists = list(parse_distributions(installable_dists))
         requirements = list(pkg_resources.parse_requirements(requirements))