@assertion
def not_to_be_a_function(topic):
    if _is_func(topic):
        msg = 'Expected topic({0}) not to be a function or a method'.format(topic)
        raise AssertionError(msg)
Asserts that `topic` is NOT a function.
dataset/ETHPy150Open heynemann/preggy/preggy/assertions/types/function.py/not_to_be_a_function