Code clean-up

[kneckinator]

Why is this change needed?

Makes the code easier to read and reduces noise in our code-quality scanners.

Extras

Add some tests to improve test coverage. See commit history.

[codecov]

Codecov Report

Attention: Patch coverage is 74.59016% with 31 lines in your changes missing coverage. Please review.

Project coverage is 76.07%. Comparing base (b5f51b9) to head (81b4f09).

Files with missing lines	Patch %	Lines
spp_api/controllers/pinguin.py	0.00%	15 Missing ⚠️
spp_starter/wizards/spp_starter.py	77.77%	2 Missing and 6 partials ⚠️
...armer_registry_demo/models/generate_farmer_data.py	20.00%	4 Missing ⚠️
spp_starter/tests/test_spp_starter.py	85.71%	3 Missing ⚠️
spp_mis_demo/models/generate_group.py	85.71%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             17.0     #806      +/-   ##
==========================================
+ Coverage   75.68%   76.07%   +0.38%     
==========================================
  Files         764      765       +1     
  Lines       20218    20280      +62     
  Branches     2501     2502       +1     
==========================================
+ Hits        15302    15428     +126     
+ Misses       4381     4309      -72     
- Partials      535      543       +8     

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud