    def send_message(self, channel, message):
        # type: (Any, str) -> None
        '''
        Sends some message to a desired channel.
        As channels are possibly chat-system specific, this function has a horrible
        type signature.
        '''
        self._api_call('chat.postMessage', channel=channel,
                                           text=message,
                                           username=self._username,
                                           as_user=False,
                                           icon_url=self._icon_url)
Sends some message to a desired channel.
As channels are possibly chat-system specific, this function has a horrible
type signature.
securitybot/chat/slack.py