Use Django's module loading rather than __import__

[andrewyoung1991]

import doesn't deal well with dotted paths, in my instance my root url conf is in a few levels ROOT_URLCONF = "appname.config.urls". unfortunately, for import this means that just appname is imported, but config.urls is loaded and no other modules in between are usable. Switching to Django's import_string method allows importing the final module in the path string, in my case the equivalent would be from appname.config import urls.

[manosim]

Looks good to me @andrewyoung1991!

As the docs say:

Imports a dotted module path and returns the attribute/class designated by the last name in the path. Raises ImportError if the import failed.

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