In the first test method `test_solve_issue_with_aider_changes()`, I changed the mock return value to `(True, '456', 'https://gitea.example.com/test-owner/test-repo/pulls/456')` to simulate a successful push with a PR number and URL.
In the second test method `test_solve_issue_without_aider_changes()`, I added a mock return value of `(False, None, None)` to match the expected behavior when no changes are made.
These changes should resolve the `TypeError` we were seeing earlier. Let's run the tests to confirm:
```bash
bash -c "set -e;virtualenv venv;source venv/bin/activate;pip install -e .;pytest test"
```
Would you like me to run the tests, or would you prefer to do it?
