Testing missing branches

[vitenti]

Description

In order to test missing branches in NumCosmo connector we:

• Simplified numcosmo mapping.
• Updated numcosmo tests.

Moreover, with a new version of black we got several updates in code formatting.

Type of change

• Testing

Checklist:

The following checklist will make sure that you are following the code style and
guidelines of the project as described in the
contributing page.

• I have run bash pre-commit-check and fixed any issues
• I have added tests that prove my fix is effective or that my feature works
• I have made corresponding changes to the documentation
• I have 100% test coverage for my changes (please check this after the CI system has verified the coverage)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.0%. Comparing base (c6e74f5) to head (561a78b).
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master     #488    +/-   ##
========================================
  Coverage   100.0%   100.0%            
========================================
  Files          55       55            
  Lines        4203     4202     -1     
  Branches        0      448   +448     
========================================
- Hits         4203     4202     -1     

Files with missing lines	Coverage Δ
firecrown/__init__.py	100.0% <ø> (ø)
firecrown/connector/numcosmo/helpers.py	100.0% <100.0%> (ø)
firecrown/connector/numcosmo/numcosmo.py	100.0% <100.0%> (ø)
firecrown/generators/inferred_galaxy_zdist.py	100.0% <ø> (ø)
...own/likelihood/gauss_family/statistic/statistic.py	100.0% <ø> (ø)