ci: lint only project files in flake8 step

Author: chazeon

.github/workflows/python-app.yml

@@ -34,9 +34,9 @@ jobs:
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
-        uv run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        uv run flake8 vistopia tests --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        uv run flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+        uv run flake8 vistopia tests --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test with pytest
       run: |
         uv run pytest --cov=vistopia --cov-report=xml