'Clear the session to force pin (and passphrase if enabled)
re-entry.  Does not leak exceptions.'

def clear_session(self):

    self.print_error('clear    session:', self)
    self.prevent_timeouts()
    try:
        super(TrezorClientBase, self).clear_session()
    except BaseException as e:
        self.print_error('clear_session:    ignoring    error', str(e))
        pass
