pip3 install pipenv

pipenv shell

pipenv install flask flask-sqlalchemy flask-marshmallow marshmallow-sqlalchemy
pipenv install requests --upgrade

Warning: the environment variable LANG is not set!
We recommend setting this in ~/.profile (or equivalent) for proper expected behavior.

vi ~/.zshrc
or
vi ~/.bashrc

export LANG="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"
export LC_CTYPE="en_US.UTF-8"

Warning: Python 3.9 was not found on your system…
Neither 'pyenv' nor 'asdf' could be found to install Python.
You can specify specific versions of Python with:
$ pipenv --python path/to/python

pipenv --python 3.8.2

python3 app.py

(cake-shop-py-api) ➜  cake-shop-py-api git:(main) ✗ python3
Python 3.8.2 (default, Aug 25 2020, 09:23:57)
[Clang 12.0.0 (clang-1200.0.32.2)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from app import db
>>> db.create_all()

TypeError: __init__() got an unexpected keyword argument 'strict'