workflow_tools.py imports yaml at module level, but PyYAML was not declared in requirements.txt or pyproject.toml core dependencies. This caused ModuleNotFoundError when tools/__init__.py was loaded, silently breaking server.py's try block and leaving list_tools undefined -- causing all test_mcp_server.py tests to fail in CI. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
819 B
819 B