Comment 4 for bug 879221

The problem could not be reproduced. The reporter, amit ate, was requested to provide the information of his sources.list in order to correct the problem. We believe this is not a bug but an issue that needs only technical support therefore we are converting this to a question.

Distribution: Ubuntu 11.04 natty
Application: Ubuntu Tweak 0.5.14
Desktop: Traceback (most recent call last):
   File "/usr/lib/python2.7/dist-packages/ubuntutweak/mainwindow.py", line 502, in setup_notebook
     page = module()
   File "/usr/lib/python2.7/dist-packages/ubuntutweak/modules/updatemanager.py", line 44, in __init__
     self.update_list()
   File "/usr/lib/python2.7/dist-packages/ubuntutweak/modules/updatemanager.py", line 59, in update_list
     PACKAGE_WORKER.update_apt_cache(init=True)
   File "/usr/lib/python2.7/dist-packages/ubuntutweak/common/package.py", line 226, in update_apt_cache
     self.cache = apt.Cache()
   File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 89, in __init__
     self.open(progress)
   File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 131, in open
     self._list.read_main_list()
 SystemError: E:Malformed line 61 in source list /etc/apt/sources.list (dist parse)