def __call__(self, *args, **kwargs):
for loop, m in self.iter_methods():<EOL><INDENT>coro = m(*args, **kwargs)<EOL>self.submit_coroutine(coro, loop)<EOL><DEDENT>
Triggers all stored callbacks (coroutines)

        Args:
            *args: Positional arguments to pass to callbacks
            **kwargs: Keyword arguments to pass to callbacks