feat(import) : Clean code before merge

[jacquesfize]

TODO

• Issue with the altitude_min field for the occhab import
• Find the mean to remove redis from the pytest actions

[codecov]

Codecov Report

Attention: Patch coverage is 73.86364% with 46 lines in your changes missing coverage. Please review.

Project coverage is 83.86%. Comparing base (c1b99c3) to head (ea1d77d).
Report is 1 commits behind head on feat/import.

Files with missing lines	Patch %	Lines
backend/geonature/core/gn_synthese/imports/plot.py	26.08%	34 Missing ⚠️
backend/geonature/core/imports/models.py	64.28%	10 Missing ⚠️
...kend/geonature/core/gn_synthese/imports/actions.py	94.73%	1 Missing ⚠️
backend/geonature/core/imports/commands.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           feat/import    #3238      +/-   ##
===============================================
+ Coverage        83.83%   83.86%   +0.03%     
===============================================
  Files              121      122       +1     
  Lines             9619     9646      +27     
===============================================
+ Hits              8064     8090      +26     
- Misses            1555     1556       +1     

Flag	Coverage Δ
pytest	83.86% <73.86%> (+0.03%)	⬆️

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