id summary reporter owner description type status priority component severity resolution keywords cc release 7120 TypeError: 'NoneType' object is not iterable Stefan Simroth Martin Scharrer " After installing in Trac 0.11.7 on Apache/Linux, it does not work (links still open in same window/tab). On a new wiki page request, I get this entry in my trac.log: {{{ 2010-05-13 17:03:33,038 Trac[main] DEBUG: Dispatching 2010-05-13 17:03:33,041 Trac[chrome] DEBUG: Prepare chrome data for request 2010-05-13 17:03:33,050 Trac[main] ERROR: Internal Server Error: Traceback (most recent call last): File ""/usr/lib/python2.5/site-packages/trac/web/main.py"", line 450, in _dispatch_request dispatcher.dispatch(req) File ""/usr/lib/python2.5/site-packages/trac/web/main.py"", line 206, in dispatch resp = chosen_handler.process_request(req) File ""/usr/lib/python2.5/site-packages/trac/web/chrome.py"", line 398, in process_request in provider.get_htdocs_dirs() if dir[0] == prefix]: TypeError: 'NoneType' object is not iterable }}} I already changed the plugin.py file the get_htdocs_dir function to return ""tracextlinksnewwindow"" instead of ""extlinksnewwindow"", because I thought that was the problem, but it wasn't. This renders the plugin unusable for me." defect closed normal ExternalLinksNewWindowPlugin critical invalid 0.11