fix python version version test

Author: xwings

.github/workflows/build-ci.yml

@@ -11,19 +11,19 @@ jobs:
       matrix:
         #os: [windows-2019, macos-10.15, ubuntu-18.04, ubuntu-20.04]
         os: [windows-2019, ubuntu-18.04, ubuntu-20.04]
-        python-version: [3.7.6, 3.8.11]
+        python-version: [3.8]
         exclude:
-          - os: ubuntu-20.04
-            python-version: 3.7.6       
-          - os: ubuntu-20.04
-            python-version: 3.8.11
-          - os: windows-2019
-            python-version: 3.7.6                 
+          # - os: ubuntu-20.04
+          #   python-version: 3.7       
+          # - os: ubuntu-20.04
+          #   python-version: 3.7
+          # - os: windows-2019
+          #   python-version: 3.7             
           # - os: macos-10.15
-          #   python-version: 3.7.6                       
+          #   python-version: 3.8
         include:
           - os: ubuntu-20.04
-            python-version: 3.8.11
+            python-version: 3.8
             container: Docker
 
     steps: