Ruff after aider

aider_gitea/__main__.py

@@ -47,13 +47,13 @@ def parse_args():
     )
     parser.add_argument(
         '--aider-model',
+        help='Model to use for generating code (overrides default)',
         default=None,
-        help='Aider code model (overrides default CODE_MODEL)',
     )
     parser.add_argument(
         '--evaluator-model',
+        help='Model to use for evaluating code (overrides default)',
         default=None,
-        help='Evaluator model for assessment (overrides default EVALUATOR_MODEL)',
     )
     return parser.parse_args()
 
@@ -61,15 +61,14 @@ def parse_args():
 def main():
     logging.basicConfig(level='INFO')
     args = parse_args()
-    # Override default models if CLI args provided
+
+    # Override default models if provided
+    import aider_gitea as core
+
     if args.aider_model:
-        import aider_gitea
-
-        aider_gitea.CODE_MODEL = args.aider_model
+        core.CODE_MODEL = args.aider_model
     if args.evaluator_model:
-        import aider_gitea
-
-        aider_gitea.EVALUATOR_MODEL = args.evaluator_model
+        core.EVALUATOR_MODEL = args.evaluator_model
 
     seen_issues_db = SeenIssuesDB()
     client = GiteaClient(args.gitea_url, secrets.gitea_token())