cache

.github/workflows/ci-testing.yml

@@ -68,10 +68,12 @@ jobs:
         python -c "from pip._internal.locations import USER_CACHE_DIR; print('::set-output name=dir::' + USER_CACHE_DIR)"
 
     - name: Cache pip
-    - uses: actions/cache@v1
+      uses: actions/cache@v1
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key: ${{ runner.os }}-${{ matrix.python-version }}-pip-${{ hashFiles('requirements.txt') }}-${{ hashFiles('requirements-extra.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-${{ matrix.python-version }}-pip-
 
     - name: Install dependencies
       run: |