Update src/pip/_internal/commands/uninstall.py

Remove usage of f-string in logging

Co-authored-by: Tzu-ping Chung <[email protected]>

Author: GuyTuval

src/pip/_internal/commands/uninstall.py

@@ -66,9 +66,10 @@ def run(self, options, args):
                 reqs_to_uninstall[canonicalize_name(req.name)] = req
             else:
                 logger.warning(
-                    f"Invalid requirement: '{name}' ignored -"
-                    f" the uninstall command expects named"
-                    f" requirements."
+                    "Invalid requirement: %r ignored -"
+                    " the uninstall command expects named"
+                    " requirements.",
+                    name,
                 )
         for filename in options.requirements:
             for parsed_req in parse_requirements(