Morgan Fainberg 5c70aef2da Make collection_key and member_key raise if unset
Instead of populating with __UNUSED__ or other silly string, make
direct use of "collection_key" or "member_key" raise a ValueError
if they are unset and referenced.

Change-Id: Idf4f4df9d933317fff96a474cdf23d758ebdfa8c
Partial-Bug: #1776504
2018-10-12 11:18:41 -07:00
..
2018-06-27 22:38:06 +00:00