python 3.10 ready .. ?

.github/workflows/test.yml

@@ -17,9 +17,10 @@ jobs:
     strategy:
       matrix:
         python-version:
-        - 3.7
-        - 3.8
-        - 3.9
+        - '3.7'
+        - '3.8'
+        - '3.9'
+        - '3.10'
 
     env:
       PYTHON: ${{ matrix.python-version }}
@@ -34,7 +35,7 @@ jobs:
     - uses: actions/checkout@v2.2.0
 
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
 

setup.cfg

@@ -12,6 +12,10 @@ long_description_content_type = text/markdown
 url = https://github.com/jepler/wwvbpy
 classifiers =
     Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
     License :: OSI Approved :: GNU General Public License v3 (GPLv3)
     Operating System :: OS Independent