Error on flask db init

[RobertHana]

Traceback (most recent call last):
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/bin/flask", line 8, in <module>
    sys.exit(main())
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/flask/cli.py", line 990, in main
    cli.main(args=sys.argv[1:])
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/flask/cli.py", line 596, in main
    return super().main(*args, **kwargs)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/click/core.py", line 1062, in main
    rv = self.invoke(ctx)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/click/core.py", line 1668, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/click/core.py", line 1668, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/click/decorators.py", line 26, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/flask/cli.py", line 440, in decorator
    return __ctx.invoke(f, *args, **kwargs)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/flask_migrate/cli.py", line 45, in init
    _init(directory, multidb, template, package)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/flask_migrate/__init__.py", line 98, in wrapped
    f(*args, **kwargs)
  File "/Users/rhanviriyapunt/.pyenv/versions/3.7.5/lib/python3.7/site-packages/flask_migrate/__init__.py", line 135, in init
    command.init(config, directory, template=template, package=package)
TypeError: init() got an unexpected keyword argument 'package'

[miguelgrinberg]

Upgrade Alembic, I think you are using an old version.

[RobertHana]

TY, yep that was it!