Documented behavior of get_or_create when multiple objects are returned.
Thanks Matt Lauber for the patch.
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@ -1321,10 +1321,12 @@ The above example can be rewritten using ``get_or_create()`` like so::
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Any keyword arguments passed to ``get_or_create()`` — *except* an optional one
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called ``defaults`` — will be used in a :meth:`get()` call. If an object is
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found, ``get_or_create()`` returns a tuple of that object and ``False``. If an
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object is *not* found, ``get_or_create()`` will instantiate and save a new
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object, returning a tuple of the new object and ``True``. The new object will
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be created roughly according to this algorithm::
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found, ``get_or_create()`` returns a tuple of that object and ``False``. If
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multiple objects are found, ``get_or_create`` raises
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:exc:`~django.core.exceptions.MultipleObjectsReturned`. If an object is *not*
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found, ``get_or_create()`` will instantiate and save a new object, returning a
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tuple of the new object and ``True``. The new object will be created roughly
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according to this algorithm::
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defaults = kwargs.pop('defaults', {})
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params = dict([(k, v) for k, v in kwargs.items() if '__' not in k])
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