Merge "cleanup *.pyc files in docs tox envs"

tox.ini

@@ -195,6 +195,7 @@ description =
   Build main documentation.
 deps = -r{toxinidir}/doc/requirements.txt
 commands =
+  {[testenv]commands}
   rm -rf doc/build
   # Check that all JSON files don't have \r\n in line.
   bash -c "! find doc/ -type f -name *.json | xargs grep -U -n $'\r'"
@@ -210,6 +211,7 @@ description =
 envdir = {toxworkdir}/docs
 deps = {[testenv:docs]deps}
 commands =
+  {[testenv]commands}
   rm -rf api-guide/build
   sphinx-build -W -b html -d api-guide/build/doctrees api-guide/source api-guide/build/html
 
@@ -219,6 +221,7 @@ description =
 envdir = {toxworkdir}/docs
 deps = {[testenv:docs]deps}
 commands =
+  {[testenv]commands}
   rm -rf api-ref/build
   sphinx-build -W -b html -d api-ref/build/doctrees api-ref/source api-ref/build/html
 
@@ -228,6 +231,7 @@ description =
 envdir = {toxworkdir}/docs
 deps = {[testenv:docs]deps}
 commands =
+  {[testenv]commands}
   rm -rf releasenotes/build
   sphinx-build -W -b html -d releasenotes/build/doctrees releasenotes/source releasenotes/build/html