Forking Checkout and Shipping Apps for Shipping Method.

[MichaelSulubani]

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Issue Summary

Adding Shipping methods is still skipping the stage during checkout. Moves from Shipping address to Payment Method, skips shipping method entirely.
A summary of the issue.
I am trying to create 3 options for the shipping method, 1 which is pick up at store, and the others 2 are linked to couriers. 1 has an api to recieve orders once the status of the order is confirmed, and the other is just standard delivery.

I forked the shipping and the checkout apps, but not sure if the the necessary files are available in their necessary folders and if i have the correct imports in my models.py.

when I try to run migrations i am getting error : ImportError: cannot import name 'AbstractShippingMethod' from 'oscar.apps.shipping.models' .

I need someone to look at me repo and my code and tell me where i have gone wrong please.
I am a newbee at django oscar