* change license in generator base files
* run gradlew scaffold
* format eof
* add eof singer base
* remove license from test_* http source
* format test_incremental http source
* add additional pip install for tests
* run gradlew test scaffold
* correct flake and run format
* format generator files
* correct test_source scaffold gen
Co-authored-by: Marcos Marx <marcosmarx@MacBook-Pro-de-Marcos.local>
