change rst2html command in tox

Author: SmileyChris

tox.ini

@@ -47,8 +47,8 @@ deps =
     docutils
     Pygments
 commands =
-    rst2html.py --report=info --halt=warning README.rst /dev/null
-    rst2html.py --report=info --halt=warning CHANGES.rst /dev/null
+    rst2html --report=info --halt=warning README.rst /dev/null
+    rst2html --report=info --halt=warning CHANGES.rst /dev/null
 
 [py311-latest-noi18n]
 setenv =