Wrong dependency versions

[jostster]

Running python setup.py install returns the following error

error: marshmallow 3.0.0b10 is installed but marshmallow==2.13.1 is required by {'Flask-REST-JSONAPI'}

[mosen]

Let me replicate and fix setup.py

[mosen]

I've copied most pipenv requirements into setup.py however pipenv is still the recommended install method