execute hello world with flask "ImportError: No module named flask"
You don't have installed flask
Linux:
Install flask as global package:
sudo pip install flaskInstall in virtualenv
virtualenv venvsource venvpip install flaskInstall system package
debian, ubuntu
apt-get install python-flaskarch
pacman -S python-flaskfedora
yum install python-flask
Install via Anaconda
conda install flaskWindows:
python -m pip install flask