while executing calibre from terminal, on 64 bit , I get:
Traceback (most recent call last):
File “/usr/bin/calibre”, line 20, in
sys.exit(calibre())
File “/usr/lib64/calibre/calibre/gui_launch.py”, line 61, in calibre
from calibre.gui2.main import main
File “/usr/lib64/calibre/calibre/gui2/init.py”, line 8, in
from PyQt5.QtWidgets import QStyle # Gives a nicer error message than import from Qt
ImportError: No module named sip