Ruff after aider

aider_gitea/__main__.py

@@ -47,11 +47,13 @@ def parse_args():
     )
     parser.add_argument(
         '--code-model',
-        help='Override the default model used for code generation (default: o4-mini)',
+        dest='code_model',
+        help='Aider code model to use (overrides default)',
     )
     parser.add_argument(
         '--evaluator-model',
-        help='Override the default evaluator model (default: ollama/gemma3:27b)',
+        dest='evaluator_model',
+        help='Evaluator model to use (overrides default)',
     )
     return parser.parse_args()
 
@@ -59,13 +61,13 @@ def parse_args():
 def main():
     logging.basicConfig(level='INFO')
     args = parse_args()
-
-    import aider_gitea as ag
+    # Override default models if provided
+    import aider_gitea
 
     if args.code_model:
-        ag.CODE_MODEL = args.code_model
+        aider_gitea.CODE_MODEL = args.code_model
     if args.evaluator_model:
-        ag.EVALUATOR_MODEL = args.evaluator_model
+        aider_gitea.EVALUATOR_MODEL = args.evaluator_model
 
     seen_issues_db = SeenIssuesDB()
     client = GiteaClient(args.gitea_url, secrets.gitea_token())