fix the github action pipeline

Author: amarlearning

.github/workflows/pythonpackage.yml

@@ -19,5 +19,5 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install -r requirements.txt
+        pip install pipenv
+        pipenv install