fix test python3.6 not in mac

Author: ClericPy

.github/workflows/pythonpackage.yml

@@ -30,7 +30,7 @@ jobs:
         strategy:
             max-parallel: 3
             matrix:
-                python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
+                python-version: ["3.7", "3.8", "3.9", "3.10"]
 
         steps:
             - uses: actions/checkout@v1