Update autopep8.yml

Author: rohanpsingh

.github/workflows/autopep8.yml

@@ -8,7 +8,7 @@ jobs:
       - name: autopep8
         uses: peter-evans/autopep8@v1
         with:
-          args: --recursive --in-place --aggressive --aggressive .
+          args: $(git ls-files '*.py') --recursive --in-place --aggressive --aggressive .
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v3
         with: