This was probably related to command-not-found which tries to suggest packages to install in the event you type a valid command but just don't have the package installed. I'm going to go ahead and close the bug based on your last comment regarding your being unable to reproduce it though.
** Changed in: command-not-found (Ubuntu) Sourcepackagename: None => command-not-found Status: Incomplete => Invalid -- 'import site' failed; use -v for traceback in terminal https://bugs.launchpad.net/bugs/96655 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs