Index: tox.ini
===================================================================
--- a/tox.ini
+++ b/tox.ini
@@ -91,6 +91,7 @@
     hg+https://hg.adblockplus.org/codingtools#egg=flake8-eyeo&subdirectory=flake8-eyeo
     httplib2
     oauth2client
+    PyMySQL
 
 setenv =
     SITESCRIPTS_CONFIG = ./.sitescripts.test
