Public bug reported: On quantal::
$ sudo add-apt-repository ppa:undistract-me-packagers/daily You are about to add the following PPA to your system: Builds of https://launchpad.net/undistract-me More info: https://launchpad.net/~undistract-me-packagers/+archive/daily Press [ENTER] to continue or ctrl-c to cancel adding it Exception in thread Thread-1: Traceback (most recent call last): File "/usr/lib/python3.2/threading.py", line 740, in _bootstrap_inner self.run() File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 141, in run self.add_ppa_signing_key(self.ppa_path) File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 223, in add_ppa_signing_key tmp_keyring, tmp_secret_keyring, signing_key_fingerprint, tmp_keyring_dir): File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 145, in _recv_key if not verify_keyid_is_v4(signing_key_fingerprint): File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 126, in verify_keyid_is_v4 return len(signing_key_fingerprint) >= 160/8 TypeError: object of type 'NoneType' has no len() At this point, the new entry in /etc/apt/sources.list.d/, but the key has not been added. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: python-software-properties 0.92.9 ProcVersionSignature: Ubuntu 3.5.0-15.23-generic 3.5.4 Uname: Linux 3.5.0-15-generic x86_64 ApportVersion: 2.6.1-0ubuntu1 Architecture: amd64 Date: Wed Oct 3 18:26:48 2012 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301) PackageArchitecture: all ProcEnviron: LANGUAGE=en_GB:en TERM=xterm PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: software-properties UpgradeStatus: Upgraded to quantal on 2012-08-19 (45 days ago) ** Affects: software-properties (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug quantal running-unity uec-images -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1061101 Title: TypeError: object of type 'NoneType' has no len() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1061101/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs