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

If nothing else helps, check that in your code it is:

from flask import Flask

I've tried many things before I've noticed my mistake. I had this in my code:

from Flask import Flask

When I have changed capitalized letter for the module name, i.e. flask then everything worked.