No module named flask using virtualenv

Question

I am following these steps to learn flask http://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-world/page/0#comments

I ran this command to create

Answer 1

Try below lines :

$ python3.7 -m venv env 

$ source env/bin/activate

(env)$ pip install yourpackages

(env)$ python app.py