Found the problem that causes this issue, it seems there's sonething wrong with the somehow installed /usr/local/bin/six.pyc , after I remove the file manually everythings normal.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to click in Ubuntu. https://bugs.launchpad.net/bugs/1649395 Title: click crashed with ImportError in /usr/lib/python3/dist- packages/debian/changelog.py: bad magic number in 'six': b'\x03\xf3\r\n' Status in click package in Ubuntu: New Bug description: Apport brought me here, I don't know anything about this issue. ProblemType: Crash DistroRelease: Ubuntu 16.04 Package: click 0.4.43+16.04.20160203-0ubuntu2 ProcVersionSignature: Ubuntu 4.4.0-51.72-generic 4.4.30 Uname: Linux 4.4.0-51-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.2 Architecture: amd64 CrashCounter: 1 Date: Tue Dec 13 04:23:05 2016 ExecutablePath: /usr/bin/click InterpreterPath: /usr/bin/python3.5 ProcCmdline: /usr/bin/python3 /usr/bin/click hook run-system ProcEnviron: LANG=zh_TW.UTF-8 LANGUAGE=zh_TW:zh_HK:zh PATH=(custom, no user) PythonArgs: ['/usr/bin/click', 'hook', 'run-system'] SourcePackage: click Title: click crashed with ImportError in /usr/lib/python3/dist-packages/debian/changelog.py: bad magic number in 'six': b'\x03\xf3\r\n' UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/click/+bug/1649395/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp