Axios - self.agent.addRequest is not a function error

const axios = require("axios"); const http = require("http"); const response = await axios.get("http://httpbin.org/get?request=option", {httpAgent: new http.Agent({keepAlive: true})}); console.log("response is", response); const instance = axios.create({httpAgent: new http.Agent({keepAlive: true})}); const instanceResponse = await instance.get("http://httpbin.org/get?instance=true") console.log("instanceResponse is", instanceResponse); axios.defaults.httpAgent = new http.Agent({keepAlive: true}); const globalDefaultResponse = await axios.get("http://httpbin.org/get?global=default"); console.log("globalDefaultResponse is", globalDefaultResponse);