class SlackSocketEventNameError(NameError):
    """
    Invalid name
    """
    pass

class SlackSocketAPIError(RuntimeError):
    """
    Error response from Slack API
    """
    pass


class SlackSocketEventNameError(NameError):
    """ Invalid name """

class SlackSocketAPIError(RuntimeError):
    """ Error response from Slack API """

class SlackSocketConnectionError(IOError):
    """ Unrecoverable error maintaining a websocket connection """

add slacksocket connection exception, remove pass