raceback (most recent call last):
File "/usr/lib/pymodules/python2.6/ubuntutweak/mainwindow.py", line 393, in setup_notebook
page = module()
File "/usr/lib/pymodules/python2.6/ubuntutweak/modules/updatemanager.py", line 39, in __init__
self.update_list()
File "/usr/lib/pymodules/python2.6/ubuntutweak/modules/updatemanager.py", line 49, in update_list
PACKAGE_WORKER.update_apt_cache(init=True)
File "/usr/lib/pymodules/python2.6/ubuntutweak/common/package.py", line 188, in update_apt_cache
self.cache = apt.Cache()
File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 72, in __init__
self.open(progress)
File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 108, in open
self._cache = apt_pkg.GetCache(progress)
SystemError: E:Tipo 'http://ppa.launchpad.net/pidgin-developers/ppa/ubuntu' desconocido en la línea 1 de lista de fuentes /etc/apt/sources.list.d/pidgin-ppa.list, E:No se pudieron leer las listas de fuentes.
Please delete the pidgin ppa and try again.
sudo rm /etc/apt/ sources. list.d/ pidgin- ppa.list