/usr/share/pyshared/ is in gnome-tweak-tool 3.4.0.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/gtweak/
/usr/share/pyshared/gtweak/__init__.py
/usr/share/pyshared/gtweak/defs.py
/usr/share/pyshared/gtweak/gconf.py
/usr/share/pyshared/gtweak/gsettings.py
/usr/share/pyshared/gtweak/gshellwrapper.py
/usr/share/pyshared/gtweak/mainwindow.py
/usr/share/pyshared/gtweak/tweakmodel.py
/usr/share/pyshared/gtweak/tweaks/
/usr/share/pyshared/gtweak/tweaks/__init__.py
/usr/share/pyshared/gtweak/tweaks/tweak_font.py
/usr/share/pyshared/gtweak/tweaks/tweak_interface.py
/usr/share/pyshared/gtweak/tweaks/tweak_nautilus.py
/usr/share/pyshared/gtweak/tweaks/tweak_shell.py
/usr/share/pyshared/gtweak/tweaks/tweak_shell_extensions.py
/usr/share/pyshared/gtweak/tweaks/tweak_test.py
/usr/share/pyshared/gtweak/tweaks/tweak_windows.py
/usr/share/pyshared/gtweak/tweakview.py
/usr/share/pyshared/gtweak/utils.py
/usr/share/pyshared/gtweak/widgets.py