Internal Server Error

[rui.moreira@…]

Hello

I am installing the Account Manager Plugin on trac 0.12.4, when I enable the plugin I get a Internal Server Error from the tracd

Trac[main] ERROR: Internal Server Error:
Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/trac/web/main.py", line 525, in _dispatch_request dispatcher.dispatch(req)
File "/usr/lib/python2.6/site-packages/trac/web/main.py", line 246, in dispatch resp = chosen_handler.process_request(req)
File "/usr/lib/python2.6/site-packages/trac/web/chrome.py", line 471, in process_request in provider.get_htdocs_dirs() or []
File "build/bdist.linux-x86_64/egg/blackmagic/blackmagic.py", line 350, in get_htdocs_dirs return [('blackmagic', resource_filename(__name__, 'htdocs'))]
File "build/bdist.linux-x86_64/egg/pkg_resources.py", line 914, in resource_filename self, resource_name
File "build/bdist.linux-x86_64/egg/pkg_resources.py", line 1602, in get_resource_filename return self._extract_resource(manager, zip_path)
File "build/bdist.linux-x86_64/egg/pkg_resources.py", line 1617, in _extract_resource manager, os.path.join(zip_path, name)
File "build/bdist.linux-x86_64/egg/pkg_resources.py", line 1617, in _extract_resource manager, os.path.join(zip_path, name)
File "build/bdist.linux-x86_64/egg/pkg_resources.py", line 1629, in _extract_resource self.egg_name, self._parts(zip_path)
File "build/bdist.linux-x86_64/egg/pkg_resources.py", line 990, in get_cache_path self._warn_unsafe_extraction(extract_path) AttributeError: ResourceManager instance has no attribute '_warn_unsafe_extraction'