fix pipenv checks

Author: dmitry-shibanov

.github/workflows/e2e-cache.yml

@@ -48,7 +48,11 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: 'pipenv'
       - name: Install pipenv
-        run: pipx install pipenv
+        shell: pwsh
+        run: |
+          pipx install pipenv
+          $pythonVersion = ("${{ matrix.python-version }}" -Match "pypy") ? "pypy" : "${{ matrix.python-version }}"
+          pipenv --python $pythonVersion
       - name: Install dependencies
         run: pipenv install numpy
 
@@ -110,6 +114,9 @@ jobs:
           cache: 'pipenv'
           cache-dependency-path: '**/requirements-linux.txt'
       - name: Install pipenv
-        run: pipx install pipenv
+        run: |
+          pipx install pipenv
+          $pythonVersion = ("${{ matrix.python-version }}" -Match "pypy") ? "pypy" : "${{ matrix.python-version }}"
+          pipenv --python $pythonVersion
       - name: Install dependencies
         run: pipenv install numpy