code: def _handle_exception(self, exception):
          
          try:
              return super(WebSocketRpcRequest, self)._handle_exception(exception)
          except Exception:
              if not isinstance(exception, (odoo.exceptions.Warning, odoo.http.SessionExpiredException, odoo.exceptions.except_orm)):
                  _logger.exception("Exception during JSON request handling.")
              error = {
                      'code': 200,
                      'message': "Odoo Server Error",
                      'data': odoo.http.serialize_exception(exception)
              }
              if isinstance(exception, odoo.http.AuthenticationError):
                  error['code'] = 100
                  error['message'] = "Odoo Session Invalid"
              if isinstance(exception, odoo.http.SessionExpiredException):
                  error['code'] = 100
                  error['message'] = "Odoo Session Expired"
              return self._json_response(error=error)
docs: Called within an except block to allow converting exceptions
             to arbitrary responses. Anything returned (except None) will
             be used as response.