Fix /admin/people/notes POST endpoint.

[bakert]

No description provided.

[TravisBuddy]

Hey @bakert,
Your changes look good to me!

View build log

TravisBuddy Request Identifier: 992530e0-1e80-11ea-8c7c-334558e6cc20

[codecov]

Codecov Report

Merging #6936 into master will decrease coverage by 0.01%.
The diff coverage is 25%.

@@            Coverage Diff             @@
##           master    #6936      +/-   ##
==========================================
- Coverage   41.02%   41.01%   -0.02%     
==========================================
  Files         272      272              
  Lines       13623    13624       +1     
  Branches     2044     2045       +1     
==========================================
- Hits         5589     5588       -1     
+ Misses       7794     7789       -5     
- Partials      240      247       +7

Impacted Files	Coverage Δ
decksite/controllers/admin.py	43.75% <25%> (-0.76%)	⬇️
logsite/api.py	41.17% <0%> (ø)	⬆️
maintenance/elo.py	0% <0%> (ø)	⬆️
decksite/view.py	61.12% <0%> (ø)	⬆️
magic/multiverse.py	5.43% <0%> (ø)	⬆️
decksite/views/person_achievements.py	35% <0%> (ø)	⬆️
decksite/data/rule.py	23.42% <0%> (ø)	⬆️
logsite/data/match.py	75% <0%> (ø)	⬆️

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[vorpal-buildbot]

Seen on LOGS, PROD (created by @bakert and merged by @vorpal-buildbot 20 seconds ago) Please check your changes!