我在连接 flask 插座时遇到了一些问题。
由于某些原因，当我的客户端尝试连接到服务器时，他会收到以下错误/输出：

Traceback (most recent call last):
  File "C:/Users/PycharmProjects/learn/check.py", line 28, in <module>
    main()
  File "C:/Users/PycharmProjects/learn/check.py", line 21, in main
    sio.connect('http://localhost:5000')
  File "C:\Users\PycharmProjects\learn\venv\lib\site-packages\socketio\client.py", line 309, in connect
    'One or more namespaces failed to connect')
socketio.exceptions.ConnectionError: One or more namespaces failed to connect
I received a message!
bruh
connected
sent them

服务器输出：

127.0.0.1 - - [27/Apr/2021 15:35:27] "GET /socket.io/?transport=polling&EIO=4&t=1619526925.9191115 HTTP/1.1" 200 -
127.0.0.1 - - [27/Apr/2021 15:35:30] "POST /socket.io/?transport=polling&EIO=4&sid=5Lmu1kce4ijdRLzQAAAA HTTP/1.1" 200 -
127.0.0.1 - - [27/Apr/2021 15:35:30] "GET /socket.io/?transport=polling&EIO=4&sid=5Lmu1kce4ijdRLzQAAAA&t=1619526927.9800713 HTTP/1.1" 200 -
connected
erere

客户代码：

import asyncio
import sys
import socketio

sio = socketio.Client()

@sio.event
def connect():
    print('connected')
    sio.send("bruhhuhuhuhuhuhuh")
    sio.send("message")
    print("sent them")

@sio.event
def message(data):
    print('I received a message!')
    print(data)

def main():
    sio.connect('http://localhost:5000')
    sio.send("message")
    sio.wait()
    print("test")

if __name__ == '__main__':
    main()

socketio的服务器部分：

from flask_socketio import SocketIO, send, emit
app = Flask(__name__, static_url_path='/static')
socketio = SocketIO(app, cors_allowed_origins="https://amritb.github.io")

@socketio.event
def message(data):
    print(data)

@socketio.on('json')
def handle_json(json):
    print('received json: ' + str(json))

@socketio.on('connect')
def test_connect():
    print("connected")
    send("bruh")
    print("erere")

if __name__ == '__main__':
    socketio.run(app)
    app.run(debug=True)

我犯了什么错误导致错误出现？