Python Simple Coroutine Decorator

coroutine.py

import functools

def coroutine(f):
    @functools.wraps(f)
    def coro(*args, **kwargs):
        c = f(*args, **kwargs)
        next(c)
        def cb(*args, **kwargs):
            if not (args or kwargs):
                next(c)
            else:
                c.send(*args, **kwargs)
        return cb
    return coro