def assert_in(item, sequence, message="assertion failed: expected %(item)r in %(sequence)r", msg=None):
    """Assert that the item is in the sequence."""
    if msg:
        warnings.warn("msg is deprecated", DeprecationWarning)
        message = msg

    assert item in sequence, {'item': item, 'sequence': sequence} % message
dataset/ETHPy150Open Yelp/Testify/testify/assertions.py/assert_in/swapped operands of `%`