Clarify warning messages

Dependencies should be more precise than requirements;

Author: sbidoul

src/pip/_internal/operations/check.py

@@ -43,7 +43,7 @@ def create_package_set_from_installed() -> Tuple[PackageSet, bool]:
             package_set[name] = PackageDetails(dist.version, dependencies)
         except (OSError, ValueError) as e:
             # Don't crash on unreadable or broken metadata.
-            logger.warning("Error parsing requirements for %s: %s", name, e)
+            logger.warning("Error parsing dependencies of %s: %s", name, e)
             problems = True
     return package_set, problems
 

tests/functional/test_check.py

@@ -272,7 +272,7 @@ def test_basic_check_broken_metadata(script: PipTestEnvironment) -> None:
 
     result = script.pip("check", expect_error=True)
 
-    assert "Error parsing requirements" in result.stderr
+    assert "Error parsing dependencies of" in result.stderr
     assert result.returncode == 1