Fix issues raised in code review

pyproject.toml

@@ -116,6 +116,7 @@ max-complexity = 33  # default is 10
 "noxfile.py" = ["G"]
 "src/pip/_internal/*" = ["PERF203"]
 "tests/*" = ["B011"]
+"tests/unit/test_finder.py" = ["C414"]
 
 [tool.ruff.pylint]
 max-args = 15  # default is 5

src/pip/_internal/commands/debug.py

@@ -134,10 +134,7 @@ def show_tags(options: Values) -> None:
 
 
 def ca_bundle_info(config: Configuration) -> str:
-    levels = set()
+    levels = {key.split(".")[0] for key, _ in config.items()}  # noqa: PERF102
-    for key, _ in config.items():  # noqa: PERF102 Configuration has no keys() method.
-        levels.add(key.split(".")[0])
-
     if not levels:
         return "Not specified"
 

src/pip/_internal/commands/list.py

@@ -297,7 +297,7 @@ class ListCommand(IndexGroupCommand):
 
         # Create and add a separator.
         if len(data) > 0:
-            pkg_strings.insert(1, " ".join(("-" * x for x in sizes)))
+            pkg_strings.insert(1, " ".join("-" * x for x in sizes))
 
         for val in pkg_strings:
             write_output(val)

tests/functional/test_cache.py

@@ -101,7 +101,7 @@ def list_matches_wheel(wheel_name: str, result: TestPipResult) -> bool:
           `- foo-1.2.3-py3-none-any.whl `."""
     lines = result.stdout.splitlines()
     expected = f" - {wheel_name}-py3-none-any.whl "
-    return any((line.startswith(expected) for line in lines))
+    return any(line.startswith(expected) for line in lines)
 
 
 def list_matches_wheel_abspath(wheel_name: str, result: TestPipResult) -> bool:

tests/lib/__init__.py

@@ -795,10 +795,8 @@ def diff_states(
         prefix = prefix.rstrip(os.path.sep) + os.path.sep
         return path.startswith(prefix)
 
-    start_keys = {
+    start_keys = {k for k in start if not any(prefix_match(k, i) for i in ignore)}
-        k for k in start.keys() if not any(prefix_match(k, i) for i in ignore)
+    end_keys = {k for k in end if not any(prefix_match(k, i) for i in ignore)}
-    }
-    end_keys = {k for k in end.keys() if not any(prefix_match(k, i) for i in ignore)}
     deleted = {k: start[k] for k in start_keys.difference(end_keys)}
     created = {k: end[k] for k in end_keys.difference(start_keys)}
     updated = {}

tests/unit/test_finder.py

@@ -234,7 +234,7 @@ class TestCandidateEvaluator:
         )
         sort_key = evaluator._sort_key
         results = sorted(links, key=sort_key, reverse=True)
-        results2 = sorted(links, key=sort_key, reverse=True)
+        results2 = sorted(reversed(links), key=sort_key, reverse=True)
 
         assert links == results, results
         assert links == results2, results2
@@ -261,7 +261,7 @@ class TestCandidateEvaluator:
         candidate_evaluator = CandidateEvaluator.create("my-project")
         sort_key = candidate_evaluator._sort_key
         results = sorted(links, key=sort_key, reverse=True)
-        results2 = sorted(links, key=sort_key, reverse=True)
+        results2 = sorted(reversed(links), key=sort_key, reverse=True)
 
         assert links == results, results
         assert links == results2, results2
@@ -301,7 +301,7 @@ class TestCandidateEvaluator:
         )
         sort_key = evaluator._sort_key
         results = sorted(links, key=sort_key, reverse=True)
-        results2 = sorted(links, key=sort_key, reverse=True)
+        results2 = sorted(reversed(links), key=sort_key, reverse=True)
 
         assert links == results, results
         assert links == results2, results2