ednapiranha/webtools-workermgmt — comment on commit 4881de8ea90de2474d0bfeda3d4d74348938b7b8
File: apps/shared/utils.py line 41
By fwenzel:

Appending to strings is inefficient in Python. The way pythonistas usually do this is, create an empty list, then append to that list (``mylist.append('mystring')``) and finally: ``''.join(mylist)`` to glue the pieces together.