ImportError: No module named flask

Question

I installed virtualenv, activated it, and installed flask. So I have three folders: Include, Scripts and Lib. This last folder contains the site-packages folder, that contai

Answer 1

If you are using python3 you have to change a little bit your wsgi file.

I changed my xx.wsgi from using execfile() to using exec(). Here is what it looks like when it finally worked.

activate_this = '/opt/flask/project_name/py3venv/bin/activate_this.py'
exec(open(activate_this).read(), dict(__file__=activate_this))

import sys
sys.path.insert(0, '/opt/flask/project_name')

from project_app_name import app as application

Answer 2

check this stack answer, only instead of pika you have to type flask:

python no module name pika when importing pika

Answer 3

Please make sure you have activated virtual environment before running python file.

. venv/bin/activate

Answer 4

run as python3 <file_name>

EX: python3 api.py

Answer 5

try this command in the terminal instead of selecting 'run code':

 python3 'insert your file name here without the quotes'