Merge branch 'main' of github.com:ModECI/modelspec into main

Author: pgleeson

.github/workflows/ci.yml

@@ -11,8 +11,9 @@ jobs:
 
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
-        python-version: [ 3.7 , 3.9 ]
+        python-version: [ 2.7, 3.7 , 3.9 ]
 
     steps:
     - uses: actions/checkout@v2
@@ -63,6 +64,7 @@ jobs:
 
 
     - name: Install MDF
+      if: ${{ matrix.python-version != '2.7' }}
       run: |
       
           # Install psyneulink - mdf branch