Updated files with git_helper.

Author: domdfcoding

.github/workflows/docs_test_action.yml

@@ -10,5 +10,6 @@ jobs:
       - uses: actions/checkout@v1
       - uses: ammaraskar/sphinx-action@master
         with:
-          pre-build-command: python -m pip install --upgrade -r requirements.txt
+          pre-build-command: python -m pip install tox
           docs-folder: "doc-source/"
+          build-command: "tox -e docs -- "

tox.ini

@@ -44,11 +44,11 @@ commands =
 
 
 [testenv:docs]
-basepython = python3.6
+basepython = python3.8
 changedir={toxinidir}/doc-source
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/doc-source/requirements.txt
-commands = sphinx-build -M html . ./build
+commands = sphinx-build -M html . ./build {posargs}