$ calibre
Traceback (most recent call last):
File "/usr/bin/calibre", line 21, in <module>
sys.exit(calibre())
^^^^^^^^^
File "/usr/lib/calibre/calibre/gui_launch.py", line 73, in calibre
main(args)
File "/usr/lib/calibre/calibre/gui2/main.py", line 556, in main
run_main(app, opts, args, gui_debug, si, retry_communicate=True)
File "/usr/lib/calibre/calibre/gui2/main.py", line 568, in run_main
return run_gui(opts, args, app, gui_debug=gui_debug)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/calibre/calibre/gui2/main.py", line 406, in run_gui
run_gui_(opts, args, app, gui_debug)
File "/usr/lib/calibre/calibre/gui2/main.py", line 411, in run_gui_
app.load_builtin_fonts(scan_for_fonts=True)
File "/usr/lib/calibre/calibre/gui2/__init__.py", line 1275, in load_builtin_fonts
load_builtin_fonts()
File "/usr/lib/calibre/calibre/gui2/__init__.py", line 1025, in load_builtin_fonts
with open(ff, 'rb') as s:
^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] Нет такого файла или каталога: '/usr/share/calibre/fonts/liberation/LiberationMono-Bold.ttf'