update pypi action files

.github/workflows/pypi.yml

+# This workflows will upload a Python Package using Twine when a release is created
+# For more information see: https://help.github.com/en/actions/language-and-framework-guides/using-python-with-github-actions#publishing-to-package-registries
+
+name: Upload Python Package
+
+on:
+  pull_request:
+    branches:
+    - master
+  push:
+    branches:
+    - master
+
+jobs:
+  install the packages:
+    runs-on: ubuntu-latest
+    steps:  
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.x'
+      - name: Install dependencies
+        run: make install
+        
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - run: make test
+    
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Build and publish
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+        run: |
+          make dist
+          make publish