Python 3.6-3.10 run CI

.github/workflows/build.yml

@@ -13,10 +13,10 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v1
-      - name: Set up Python 3.7
+      - name: Set up Python 3.6
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.6
 
       - name: Install dependencies
         run: |
@@ -39,7 +39,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-2019, ubuntu-20.04, macos-10.15]
-        python-version: [3.7, 3.8]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
 
     steps:
       - uses: actions/checkout@v1

setup.py

@@ -24,6 +24,8 @@ setup(
          "Programming Language :: Python :: 3.6",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
+         "Programming Language :: Python :: 3.9",
+         "Programming Language :: Python :: 3.10",
          "License :: OSI Approved :: MIT License",
          "Operating System :: OS Independent",
      ],