fix: update CI to conditionally exclude server.py for Python 3.9

- Run mypy on server.py only for Python 3.10+ where MCP dependencies are available
- Exclude server.py for Python 3.9 to avoid MCP import errors
- This ensures type checking works correctly across all supported Python versions

Author: ryoppippi

.github/workflows/lint.yml

@@ -34,4 +34,9 @@ jobs:
           args: check .
 
       - name: Run Mypy
-        run: uv run mypy stackone_ai --exclude stackone_ai/server.py
+        run: |
+          if [[ "${{ matrix.python-version }}" == "3.9" ]]; then
+            uv run mypy stackone_ai --exclude stackone_ai/server.py
+          else
+            uv run mypy stackone_ai
+          fi

pyproject.toml

@@ -124,7 +124,3 @@ ignore_missing_imports = true
 [[tool.mypy.overrides]]
 module = "langgraph.*"
 ignore_missing_imports = true
-
-[[tool.mypy.overrides]]
-module = "mcp.*"
-ignore_missing_imports = true