Large Application flask

large.md

~/LargeApp                      # Name of Application
    |__ /app                    # Our Application Module
        |__ /common
           |-- database.py
           |-- __init__.py
        |-- /example           # Module like album, song, video ...
            |-- __init__.py
            |-- views.py
        |-- models.py
        |-- __init__.py
    |__ /requirements
        |-- dev.txt
        |-- prod.txt
    |-- config.py
    |-- requirements.txt
    |-- run.py                  # Main class to runing app

Inside the /example folder do you think it would be better to have serializers and models instead of having models outside the entity folders?
Something like this:

|-- /example
     |-- __init__.py
     |-- serializers.py
     |-- views.py
     |-- models.py