[Python] Converting timezone-aware datetime to local time in Python

How do you convert a timezone-aware datetime object to the equivalent non-timezone-aware datetime for the local timezone?

My particular application uses Django (although, this is in reality a generic Python question):

import iso8601


....

date_str="2010-10-30T17:21:12Z"


....

d = iso8601.parse_date(date_str)

foo = app.models.FooModel(the_date=d)
foo.save()


This causes Django to throw an error:

raise ValueError("MySQL backend does not support timezone-aware datetimes.")


What I need is:

d = iso8601.parse_date(date_str)
local_d = SOME_FUNCTION(d)
foo = app.models.FooModel(the_date=local_d)


What would SOME_FUNCTION be?

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