def verify_count_is_non_negative()

in doubles/allowance.py [0:0]

• 7 lines of code
• 2 McCabe index (conditional complexity)

def verify_count_is_non_negative(func):
    @functools.wraps(func)
    def inner(self, arg):
        if arg < 0:
            raise TypeError(func.__name__ + ' requires one positive integer argument')
        return func(self, arg)
    return inner