It's needed for the same reasons that the Model.save() method needs it.
When loading fixtures, you sometimes don't want to touch the incoming
data.
For example, if I have a simple function connected to a pre_save signal
that updates a timestamp:
def update_timestamp(instance, **kwargs):
# Update the timestamp if we aren't loading from a fixture.
if not kwargs.get('raw'):
self.timestamp = datetime.now()
return super(MyModel, self).save()
Without being able to check for raw, the update_timestamp would alter
the timestamp dates from my fixture.
It looks like this change would be backwards-compatible because
django.dispatch.robustapply.robustApply checks to see what arguments and
keyword arguments the receiver accepts and only calls the receiver with
those arguments.
Gary
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