Add python3.10 to tox and workflow (#135)

Co-authored-by: Matthew Seal <[email protected]>

Author: ronnie-llamado

.github/workflows/main.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10.0-rc.2"]
     env:
       OS: ubuntu-latest
       PYTHON: "3.8"

tox.ini

@@ -1,13 +1,14 @@
 [tox]
 skipsdist = true
-envlist = py{36,37,38,39}, flake8, dist, manifest, docs
+envlist = py{36,37,38,39,310}, flake8, dist, manifest, docs
 
 [gh-actions]
 python =
     3.6: py36
     3.7: py37
     3.8: py38, flake8, dist, manifest
     3.9: py39
+    3.10: py310
 
 # Linters
 [testenv:flake8]
@@ -59,6 +60,7 @@ basepython =
     py37: python3.7
     py38: python3.8
     py39: python3.9
+    py310: python3.10
     flake8: python3.8
     manifest: python3.8
     dist: python3.8