Allow blank assignees when editing ticket

[zecookiez]

Fixes #1529

[codecov-commenter]

Codecov Report

Merging #1534 into master will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1534      +/-   ##
==========================================
+ Coverage   46.05%   46.07%   +0.01%     
==========================================
  Files         209      210       +1     
  Lines       12059    12063       +4     
==========================================
+ Hits         5554     5558       +4     
  Misses       6505     6505              

Impacted Files	Coverage Δ
judge/migrations/0111_blank_assignees_ticket.py	100.00% <100.00%> (ø)
judge/models/ticket.py	100.00% <100.00%> (ø)

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[fluix-dev]

I think you have to generate a migration when you change this.

[fluix-dev]

LGTM, edit your PR body to include Fixes #1529 so GitHub recognizes it.

[kiritofeng]

LGTM