use previous caching as the requirements are not in the standard loca…

…tion

.github/workflows/unittests.yml

@@ -31,7 +31,6 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-        cache: 'pip'
 
     - name: Install apt dependencies
       run: |
@@ -53,14 +52,12 @@ jobs:
         git clone https://github.com/openvenues/libpostal ${{ env.LIBPOSTAL }} && cd ${{ env.LIBPOSTAL }} &&
         ./bootstrap.sh && ./configure --prefix=${{ env.PREFIX }} && sudo make -j4 && sudo make install && cd - ; fi
 
-#    - name: Cache restore pip
-#      id: cache-pip
-#      uses: actions/cache@v2
-#      with:
-#        path: ~/.cache/pip
-#        key: ${{ runner.os }}-pip-${{ hashFiles('requirements/python*') }}
-#        restore-keys: |
-#          ${{ runner.os }}-pip-
+    - name: Cache restore pip
+      id: cache-pip
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('requirements/python*') }}
 
     - name: Install pip dependencies
       run: |