code: def _handle_inspect_reply(self, rep):
          
          cursor = self._get_cursor()
          info = self._request_info.get('call_tip')
          if info and info.id == rep['parent_header']['msg_id'] and \
            info.pos == cursor.position():
              content = rep['content']
              if content.get('status') == 'ok' and content.get('found', False):
                  signature = self.get_signature(content)
                  if signature:
                      # TODO: Pass the language from the Console to the calltip
                      self._control.show_calltip(signature, color='#999999',
                                                 is_python=True)
docs: Reimplement call tips to only show signatures, using the same
          style from our Editor and External Console too