The piwheels service is hosted at www.piwheels.org.
Raspbian Stretch includes configuration for pip to use piwheels by default.
If you're using an alternate distribution, make sure you have pip v9, and you
can use piwheels by placing the following lines in
Alternatively, install from piwheels explicitly with
sudo pip3 install numpy -i https://www.piwheels.org/simple
sudo pip3 install numpy --index-url https://www.piwheels.org/simple
Or as an additional index:
sudo pip3 install numpy --extra-index-url https://www.piwheels.org/simple
piwheels provides wheels which are compatible with all Raspberry Pi models (Pi 3, Pi 2, Pi 1 and Pi Zero), for Python 3.4 and 3.5. We plan to add support for Python 3.6 and 2.7.
If you find any issues with packages installed from piwheels, please open a new issue in GitHub issues, providing as much detail as possible.
See the contributing guidelines for more information.