Streamlit terminates when using st.feedback

[idealize-okay-rule]

I made some progress here:

Streamlit terminating abruptly when logger.level is set to debug

You can comment every occurence of _LOGGER in browser_websocket_handler as a workaround. More specifically commenting this line lets you see “Hello world” _LOGGER.debug("Received the following back message:\n%s", msg) It seems it’s not safe to call _LOGGER inside the on_message callback. It also seems to be the case if you replace _LOGGER.debug("Received the following back message:\n%s", msg) with print(msg). The issue seems likely to be due to either trying to read msg or doing I/O inside on_…

Create a repro.py and run with the following contents:

from streamlit.proto.ButtonGroup_pb2 import ButtonGroup as ButtonGroupProto

print("Start")
test = ButtonGroupProto().__repr__() # Crashes
print("Test: ", test, "end")

I copied this import line by following the st.feedback code, I didn’t check where it is used, but this consistently crashes like the other issue.