Add support for python 3.10 (#67)

Author: ssbarnea

.github/workflows/tox.yml

@@ -23,6 +23,7 @@ jobs:
           "py37",
           "py38",
           "py39",
+          "py310",
           "lint",
           "packaging",
         ]
@@ -52,6 +53,10 @@ jobs:
             python: "3.9"
             os: ubuntu-latest
             tox_env: py39
+          - name: py310
+            python: "3.10"
+            os: ubuntu-latest
+            tox_env: py310
 
           - name: "lint"
             python: "3.7"

setup.cfg

@@ -23,6 +23,7 @@ classifier =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
 
 [entry_points]
 console_scripts =