fix: skip evaluation if no evaluator model is specified

aider_gitea/__init__.py

@@ -472,6 +472,10 @@ def solve_issue_in_repository(
         if not resolution.success:
             return resolution
 
+        # Skip evaluation if no evaluator model is specified
+        if not EVALUATOR_MODEL:
+            return resolution
+
         # Verify whether this is a satisfactory solution
         if verify_solution(repository_path, issue_content):
             return resolution

aider_gitea/gitea_client.py

@@ -169,7 +169,9 @@ class GiteaClient:
         # If a pull request for this head/base already exists, return it instead of crashing
         if response.status_code == 409:
             logger.warning(
-                'Pull request already exists for head %s and base %s', head, base,
+                'Pull request already exists for head %s and base %s',
+                head,
+                base,
             )
             prs = self.get_pull_requests(owner, repo)
             for pr in prs: