Fixed a mistake in function documentation 'django.utils.functional.partition'

    Splits the values into two sets, based on the return value of the function

    (True/False). e.g.:

        >>> partition(lambda: x > 3, range(5))

        [1, 2, 3], [4]

        >>> partition(lambda x: x > 3, range(5))

        [0, 1, 2, 3], [4]

    """

    results = ([], [])

    for item in values: