Flask, Babel and python - ImportError: No module named babel
Change this
from flaskext.babel import Babelto
from flask.ext.babel import BabelNote the . before and after 'ext'. The syntax you are using is the old methodology of importing flask extensions. But for the past few versions, flask made it a standard way of importing extensions. Read the last paragraph here
Try this
from flask_babel import Babel I think it follows the convention that when the installation name is separated by a -, then imports can be done when replaced by an underscore