simplify

Author: terriko

.github/workflows/pythonapp.yml

@@ -33,14 +33,5 @@ jobs:
     name: Black check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python
-      uses: actions/setup-python@v1
-      with:
-        python-version: ${{ matrix.python }}
-    - name: Lint with black
-      run: |
-        pip install black
-        black --check cve_bin_tool/
-        black --check tests/
+    - uses: jpetrucciani/black-check@master