faust bug

import faust
app = faust.App("debug", broker="localhost:9092")


def a(mess):
    print("I'm a")
    print(mess)
def b(mess):
    print("I'm b")
    print(mess)
def c(mess):
    print("I'm c")
    print(mess)

for transformation, topic in [(a,"a"),(b,"b"),(c,"c")]:

    async def _func(messages):
        async for message in messages:
            transformation(message)

    _func.__name__="transformation_"+topic
    app.agent(app.topic(topic,
                        value_serializer="raw"), name="transformation_"+topic)(_func)


def main():

    app.main()

➜ faust -A main send a "test"
{"topic": "a", "partition": 0, "topic_partition": ["a", 0], "offset": 0, "timestamp": 1554027210355, "timestamp_type": 0}
➜ faust -A main send c "test"
{"topic": "c", "partition": 0, "topic_partition": ["c", 0], "offset": 0, "timestamp": 1554027297028, "timestamp_type": 0}
➜ faust -A main send b "test"
{"topic": "b", "partition": 0, "topic_partition": ["b", 0], "offset": 0, "timestamp": 1554027301971, "timestamp_type": 0}

The agents
│ @transformation_a │ a     │ <N/A> │
│ @transformation_b │ b     │ <N/A> │
│ @transformation_c │ c     │ <N/A> │

The console log:

[2019-03-31 12:13:30,661: WARNING]: I'm c 
[2019-03-31 12:13:30,662: WARNING]: b'test' 
[2019-03-31 12:14:57,623: WARNING]: I'm c 
[2019-03-31 12:14:57,624: WARNING]: b'test' 
[2019-03-31 12:15:02,785: WARNING]: I'm c 
[2019-03-31 12:15:02,785: WARNING]: b'test' ```

Hi! have you fixed it?