Try with a custom action

.github/workflows/python.yml

@@ -23,11 +23,14 @@ jobs:
         run: |
           python -m pip install --upgrade pip setuptools wheel
           pip install tockloader pylint
+      - name: Register matcher
+        run: echo ::add-matcher::./.github/python_matcher.json
       - name: Test code with pylint
-        run: |
-          echo ::add-matcher::./.github/python_matcher.json
-          find . -type f -name '*.py' -exec echo PYLINT:\{\} \; -exec pylint --rcfile=.pylintrc --score=n \{\} \;
-#          find . ! -path "./third_party/*" -type f -name '*.py' -exec echo PYLINT:\{\} \; -exec pylint --rcfile=.pylintrc --score=n \{\} \;
+        uses: ./github_actions/pylint
+        with:
+          config-file: .pylintrc
+          files: '**/*.py'
+          exclude-path: third_party
 
   yapf:
     runs-on: ubuntu-18.04