Cors error in flask

from flask import Flask
from flask_cors import CORS, cross_origin

app = Flask(__name__)
CORS(app)

@app.route("/")
def helloWorld():
    return "Hello world"

Source: stackoverflow.com

Similar codes

1 vote206 views1 answer
Requirements.py for flask
Python Flask
18 votes335 views3 answers
Export flask app
Python Flask
1 vote230 views1 answer
How to get images on flask page
Python Flask
6 votes231 views1 answer
Selectfield flask wtf
Python Flask
0 vote217 views1 answer
Flask server not reloading
Python Flask
0 vote235 views1 answer
Flask extends two base.html
Python Flask
0 vote218 views1 answer
Bash: line 1: templates/addtask.html: No such file or directory in flask app
Python Flask
4 votes200 views2 answers
Flask arguments in url
Python Flask
26 votes331 views6 answers
Flask run
Python Flask
1 vote213 views3 answers
Python venv flask
Python Flask