* break line
* remove unused imports
* remove unused os import
* make flake8 more strict
* configure flake for black
* fix action
* use importlib_resources
* rename deprecated methods
* Added example with Docker and Flask
* set flask debug flag to False
* new line at the end of file
* format with black
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Co-authored-by: Ricardo Sanchez Alba <r2sanchezalba@gmail.com>