Merge pull request #117 from radarhere/python310

Added Python 3.10

Author: homm

.github/workflows/test.yml

@@ -14,11 +14,7 @@ jobs:
         python-version: [
             "pypy3",
             "3.9",
-            # Dependencies aren't installing on Python 3.10
-            # because Wheel doesn't yet support it
-            # and GitHub Actions doesn't have allow_failures
-            # https://github.com/pypa/wheel/issues/354
-            # "3.10-dev",
+            "3.10",
         ]
         os: [ubuntu-16.04]