On 5 May 2016 at 09:00, Marius Gedminas <marius@gedmin.as> wrote:
pip install pyqt5


You need Python 3.5, and you also need to ensure you are calling the `pip` command for Python 3.5, and not the default `pip` which may be linked to a different Python version.
Try this for example:

python3.5 -m pip install --user pyqt5