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[1.8.x] Updated recommendation for testing keyword arg in custom fields. 

Backport of dbabf43920 from master
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Andrei Kulakov 2015-01-29 16:57:03 -05:00 committed by Tim Graham
parent df68751134
commit 3d3c7a62c8
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docs/topics/migrations.txt
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@ -284,7 +284,7 @@ You can't modify the number of positional arguments in an already migrated
custom field without raising a ``TypeError``. The old migration will call the custom field without raising a ``TypeError``. The old migration will call the
modified ``__init__`` method with the old signature. So if you need a new modified ``__init__`` method with the old signature. So if you need a new
argument, please create a keyword argument and add something like argument, please create a keyword argument and add something like
``assert kwargs.get('argument_name') is not None`` in the constructor. ``assert 'argument_name' in kwargs`` in the constructor.
.. _using-managers-in-migrations: .. _using-managers-in-migrations: