ref: fix typing for sentry.models.__init__

[asottile-sentry]

star imports were clobbering names with incompatible types

[codecov]

Codecov Report

Merging #52992 (65ceb7f) into master (14d014a) will increase coverage by 0.06%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #52992      +/-   ##
==========================================
+ Coverage   79.38%   79.45%   +0.06%     
==========================================
  Files        4935     4936       +1     
  Lines      207327   207436     +109     
  Branches    35422    35439      +17     
==========================================
+ Hits       164586   164809     +223     
+ Misses      37705    37586     -119     
- Partials     5036     5041       +5     

Impacted Files	Coverage Δ
static/app/views/organizationDetails/index.tsx	100.00% <ø> (ø)
...views/settings/project/navigationConfiguration.tsx	35.71% <ø> (ø)
src/sentry/api/endpoints/filechange.py	62.96% <100.00%> (+1.42%)	⬆️
.../sentry/api/endpoints/organization_release_meta.py	77.77% <100.00%> (+0.85%)	⬆️
src/sentry/api/endpoints/organization_users.py	100.00% <100.00%> (ø)
src/sentry/api/serializers/models/filechange.py	100.00% <100.00%> (ø)
...zers/models/organization_member/expand/projects.py	100.00% <100.00%> (ø)
src/sentry/api/serializers/models/project.py	96.19% <100.00%> (+<0.01%)	⬆️
src/sentry/api/serializers/models/team.py	93.93% <100.00%> (+0.03%)	⬆️
...rc/sentry/api/serializers/rest_framework/commit.py	100.00% <100.00%> (ø)
... and 18 more

... and 21 files with indirect coverage changes