Make Slack Channel failure visible

Rasa version: I’m running rasa-core 0.14.2 but I verified the version on master has same code

Python version: 3.7

Operating system (windows, osx, …): Ubuntu

Issue:

Slack client was returning {“ok” False} with error message but not exposing that from rasa_core/channels/slack

https://github.com/RasaHQ/rasa/blob/49bbb8f06daad0bdec05664cc1eb9eaf7e4407da/rasa/core/channels/slack.py#L30

so I like to propose something like this…

    def _api_call(self, metohd, **kwargs):
        result = super(SlackBot, self).api_call(metohd, **kwargs)
        if not result.get("ok", False):
            logger.exception(f"Error {result['error']}\n{kwargs}")

on the side note:Once I got {‘ok’: True} returned, now slack is not posting message although api call to slack shows successful. I’m asking slackclient community but if anyone have idea I’m all ear. Thank you!

[akelad]

Thanks for raising this issue, @MetcalfeTom will get back to you about it soon.

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