run black without action

Author: terriko

.github/workflows/pythonapp.yml

@@ -39,5 +39,8 @@ jobs:
       with:
         python-version: ${{ matrix.python }}
     - name: Lint with black
-      uses: jpetrucciani/black-check@master
+      run: |
+        pip install black
+        black --check cve_bin_tool/
+        black --check tests/