def add_sink(self, sink, prefix=r'/'):
if not iscoroutinefunction(sink) and is_python_func(sink):
if _should_wrap_non_coroutines():
sink = wrap_sync_to_async(sink)
else:
raise CompatibilityError(
'The sink method must be an awaitable coroutine function '
'in order to be used safely with an ASGI app.')
super().add_sink(sink, prefix=prefix)
def let(responder=responder):
method_map[method] = wrap_sync_to_async(responder)