Removing os matrix

Author: rodneyosodo

.github/workflows/python-publish.yml

@@ -4,6 +4,7 @@
 on:
   release:
     types: [created, published]
+  
   push:
     tags:        
       - v*
@@ -13,18 +14,14 @@ name: Upload Python Package to PYPI
 jobs:
   deploy:
     name: Publish python packages
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
-        os: [windows-2019, ubuntu-18.04, ubuntu-16.04, macos-10.15]
+    runs-on: ubuntu-latest
     steps:
     - name: Checkout code
       uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
+    - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: ${{ matrix.python-version }}
+        python-version: '3.x'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip