washort/zamboni — comment on commit 40377b3a1d77a9900432f3e8a6b445733f1a293d
File: apps/users/views.py line 610
By andymckay:

That means for each contribution, its going to loop through all of bs every time. Sounds very, very slow. How about making a list or dictionary of refunds once and then just doing: x in refunds list?