Update build-and-test.yaml

Author: arlind87

.github/workflows/build-and-test.yaml

@@ -13,8 +13,6 @@ on:
 jobs:
   test:
     runs-on: ubuntu-20.04
-    container:
-      image: python:2.7.18-buster
     strategy:
       max-parallel: 4
       matrix:
@@ -28,9 +26,18 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Set up Python ${{ matrix.python-version }}
+      if: matrix.python-version != '2.7'
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
+        
+    - name: Set up Python ${{ matrix.python-version }}
+      if: matrix.python-version == '2.7'
+      run: sudo ln -sf /usr/bin/python2.7 /usr/bin/python
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+        
     - name: Install dependencies
       run: |
         pip install --upgrade pip