/usr/share/pyshared/screenlets/plugins/ is in screenlets 0.1.6-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/screenlets/plugins/Amarok.py
/usr/share/pyshared/screenlets/plugins/AmazonCoverArtSearch.py
/usr/share/pyshared/screenlets/plugins/Audacious.py
/usr/share/pyshared/screenlets/plugins/Banshee.py
/usr/share/pyshared/screenlets/plugins/BaseConverter.py
/usr/share/pyshared/screenlets/plugins/Convert.py
/usr/share/pyshared/screenlets/plugins/CoverSearch.py
/usr/share/pyshared/screenlets/plugins/Evolution.py
/usr/share/pyshared/screenlets/plugins/Exaile.py
/usr/share/pyshared/screenlets/plugins/Flickr.py
/usr/share/pyshared/screenlets/plugins/GenericPlayer.py
/usr/share/pyshared/screenlets/plugins/Gstreamer.py
/usr/share/pyshared/screenlets/plugins/Juk.py
/usr/share/pyshared/screenlets/plugins/Kaffeine.py
/usr/share/pyshared/screenlets/plugins/LastFMProxy.py
/usr/share/pyshared/screenlets/plugins/LengthConverter.py
/usr/share/pyshared/screenlets/plugins/Listen.py
/usr/share/pyshared/screenlets/plugins/Loader.py
/usr/share/pyshared/screenlets/plugins/Mail.py
/usr/share/pyshared/screenlets/plugins/Mplayer.py
/usr/share/pyshared/screenlets/plugins/Proxy.py
/usr/share/pyshared/screenlets/plugins/Quodlibet.py
/usr/share/pyshared/screenlets/plugins/Rhythmbox.py
/usr/share/pyshared/screenlets/plugins/SizeConverter.py
/usr/share/pyshared/screenlets/plugins/Sonata.py
/usr/share/pyshared/screenlets/plugins/Songbird.py
/usr/share/pyshared/screenlets/plugins/TemperatureConverter.py
/usr/share/pyshared/screenlets/plugins/iCal.py
/usr/share/pyshared/screenlets/plugins/keyring.py
/usr/share/pyshared/screenlets/plugins/mpdclient2.py