fix: Install django-import-export

[faucomte97]

This change is 

[codecov[bot]]

Codecov Report

Merging #1725 (d36aad7) into master (a7574d4) will increase coverage by 0.34%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1725      +/-   ##
==========================================
+ Coverage   66.32%   66.66%   +0.34%     
==========================================
  Files         179        1     -178     
  Lines        3661       15    -3646     
  Branches      255        0     -255     
==========================================
- Hits         2428       10    -2418     
+ Misses       1201        5    -1196     
+ Partials       32        0      -32     

Impacted Files	Coverage Δ
aimmo-game/setup.py
aimmo/migrations/0030_update_created_by.py
aimmo/templatetags/players_utils.py
example_project/settings.py
example_project/test_settings.py
game_frontend/src/img/brain.svg
...rontend/src/redux/features/AvatarWorker/actions.js
game_frontend/src/babylon/environment/terrain.ts
aimmo/avatar_examples/__init__.py
game_frontend/src/redux/features/Editor/actions.js
... and 167 more