We do not need to check docs for this project.

--- transaction-5.1/tox.ini.orig
+++ transaction-5.1/tox.ini
@@ -23,9 +23,6 @@
     zope.testrunner
 commands =
     zope-testrunner --test-path=src {posargs:-vc}
-    sphinx-build -b doctest -d {envdir}/.cache/doctrees docs {envdir}/.cache/doctest
-extras =
-    docs
 
 [testenv:setuptools-latest]
 basepython = python3