https://bugzilla.wikimedia.org/show_bug.cgi?id=71451
John Mark Vandenberg jayvdb@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Blocks| |71398
--- Comment #1 from John Mark Vandenberg jayvdb@gmail.com --- The cache key has been this way since the beginning of pwb20
http://git.wikimedia.org/blobdiff/pywikibot%2Fcore.git/c636fd0db2b41a618bcbc...
It only became a problem since the DataSite class was added in 2012
http://git.wikimedia.org/commit/pywikibot%2Fcore.git/aa0ebedcd6a9b3e13af7f40...