Comment 16 for bug 113298

I was bitten by the same bug a while ago! I had thought that my developmental and experimental python on /usr/local was totally independent of the installed python on /usr - and then certain applications, like the update manager started failing. It is then I saw that /usr/local was being appended to the path. To me, as well, this should not be! Otherwise, you really have to go through hoops to have your own "private" python on /usr/local not pollute the installed version, used by various system utilities, etc.