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)',
+        default='o4-mini',
+        help='Aider code model to use (default: o4-mini)',
     )
     parser.add_argument(
         '--evaluator-model',
-        help='Override the default evaluator model (default: ollama/gemma3:27b)',
+        default='ollama/gemma3:27b',
+        help='Evaluator model to use for verification (default: ollama/gemma3:27b)',
     )
     return parser.parse_args()
 
@@ -59,13 +61,10 @@ def parse_args():
 def main():
     logging.basicConfig(level='INFO')
     args = parse_args()
-
     import aider_gitea as ag
 
-    if args.code_model:
+    ag.CODE_MODEL = args.code_model
-        ag.CODE_MODEL = args.code_model
+    ag.EVALUATOR_MODEL = args.evaluator_model
-    if args.evaluator_model:
-        ag.EVALUATOR_MODEL = args.evaluator_model
 
     seen_issues_db = SeenIssuesDB()
     client = GiteaClient(args.gitea_url, secrets.gitea_token())