UnicodeDecodeError about celery-once HOT 5 CLOSED

@chripede Which version of celery once are you on? 0.1.1 includes some unicode fixes (#11).
If you are on 0.1.1, could you include an example of running .delay with arguments thats creates the error?

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@cameronmaske I'm using 0.1.1.
My call do .delay is like this .delay(model, stats_date=date_var)
Where model is a Django model with a __unicode__ that seems to be the one used for the key.

This commit https://github.com/chripede/celery-once/commit/c7335256d06a96579b2250d0e619da17b7f67da3 fixes the error, but it breaks Python 3 compatibility.

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@chripede Do you happen to override the name of your celery task? e.g.

@celery.task(name=u"foo")
def foo(a, b, c):
    pass

The UnicodeDecodeError should only be raised if attempting to join unicode and string objects and #11 force everything but the name to a string currently.

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@cameronmaske I am overriding the name like this name="custom.name" not using unicode.

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@chripede #20 should hopefully fix this! Let me know if it doesn't and we can re-open this.

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