Refs #27857 -- Removed Python 3.4 from tox.ini.

tox.ini

@@ -21,7 +21,7 @@ passenv = DJANGO_SETTINGS_MODULE PYTHONPATH HOME DISPLAY
 setenv =
     PYTHONDONTWRITEBYTECODE=1
 deps =
-    py{3,34,35,36}: -rtests/requirements/py3.txt
+    py{3,35,36}: -rtests/requirements/py3.txt
     postgres: -rtests/requirements/postgres.txt
     mysql: -rtests/requirements/mysql.txt
     oracle: -rtests/requirements/oracle.txt