Comment 1 for bug 349837

I can confirm this one

Unpacking python-twisted-calendarserver (from .../python-twisted-calendarserver_0.2.0.svn19773-5ubuntu1_amd64.deb) ...
dpkg: error processing /var/cache/apt/archives/python-twisted-calendarserver_0.2.0.svn19773-5ubuntu1_amd64.deb (--unpack):
 trying to overwrite `/usr/share/pyshared/twisted/plugins/__init__.py', which is also in package python-twisted-core
dpkg-deb: subprocess paste killed by signal (Broken pipe)