How to Install PyQt5 in Ubuntu 18.04 19.04

How to Install PyQt5 in Ubuntu 18.04 19.04
sudo -H python3 -m pip install pyqt5

import sys
from PyQt5.QtWidgets import *
button = QPushButton("Hello World", None)

[carlosdevil]

sudo -H python3 -m pip install pyqt5 Gives me the following error:



Command "python setup.py egg_info" failed with error code 1 in

[rayleighsylversteen]

hi, can you tell me, if PyQt5 is for free or not or if there are different versions that cost money? i read, PyQt5 - the commercial version - cost 450 Euro. Im just a student and cant afford that expensive version.