@property
    def cookies(self):
        """A dictionary of Cookie.Morsel objects."""
        if not hasattr(self, "_cookies"):
            self._cookies = Cookie.SimpleCookie()
            if self.headers in "Cookie":
                try:
                    self._cookies.load(
                        native_str(self.headers["Cookie"]))
                except Exception:
                    self._cookies = {}
        return self._cookies
dataset/ETHPy150Open RobotWebTools/rosbridge_suite/rosbridge_server/src/tornado/httputil.py/HTTPServerRequest.cookies/swapped operands of `in`