As you can see here[1] the package builds perfectly fine without python-twisted installed. Did you change anything to the sources? Is this the latest version from edgy or something else? Please try again with a _clean_ source tree.
http://librarian.launchpad.net/4307298/buildlog_ubuntu-edgy-i386.gst- plugins-bad0.10_0.10.3%2Bcvs20060918-0ubuntu1_FULLYBUILT.txt.gz ** Changed in: gst-plugins-bad0.10 (Ubuntu) Importance: Untriaged => Medium Status: Unconfirmed => Needs Info -- gst-plugins-bad should build-depends on python-twisted https://launchpad.net/bugs/61439 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs