Caused by _sre perhaps? $ python Tools/idle/idle.py Traceback (most recent call last): File "Tools/idle/idle.py", line 8, in ? IdleConf.load(idle_dir) File "Tools/idle/IdleConf.py", line 109, in load idleconf.read((os.path.join(dir, "config.txt"), genplatfile, platfile, File "/usr/local/lib/python2.0/ConfigParser.py", line 207, in read self.__read(fp, filename) File "/usr/local/lib/python2.0/ConfigParser.py", line 382, in __read raise e ConfigParser.ParsingError: File contains parsing errors: Tools/idle/config.txt [line 21]: 'width= 80\012' [line 22]: 'height= 24\012' [line 26]: 'normal-foreground= black\012' [line 27]: 'normal-background= white\012' [line 29]: 'keyword-foreground= #ff7700\012' [line 30]: 'comment-foreground= #dd0000\012' [line 31]: 'string-foreground= #00aa00\012' [line 32]: 'definition-foreground= #0000ff\012' [line 33]: 'hilite-foreground= #000068\012' [line 34]: 'hilite-background= #006868\012' [line 35]: 'break-foreground= #ff7777\012' [line 36]: 'hit-foreground= #ffffff\012' [line 37]: 'hit-background= #000000\012' [line 38]: 'stdout-foreground= blue\012' [line 39]: 'stderr-foreground= red\012' [line 40]: 'console-foreground= #770000\012' [line 41]: 'error-background= #ff7777\012' [line 42]: 'cursor-background= black\012' [line 59]: 'enable= 0\012' [line 60]: 'style= expression\012' [line 61]: 'flash-delay= 500\012' [line 62]: 'bell= 1\012' [line 63]: 'hilite-foreground= black\012' [line 64]: 'hilite-background= #43cd80\012'