I tried hard to get this working. I followed the instruction, and turned logging on, the messages look like this (i seem to work withy python 2.3):
18:36:46 Trac[loader] DEBUG: Loading plugin timingandestimationplugin from /usr/lib/python2.3/site-packages/timingandestimationplugin-0.1.3-py2.3.egg
18:36:46 Trac[loader] ERROR: Failed to load plugin timingandestimationplugin from /usr/lib/python2.3/site-packages/timingandestimationplugin-0.1.3-py2.3.egg
Traceback (most recent call last):
File "/usr/lib/python2.3/site-packages/trac/loader.py", line 77, in load_components
entry_point.load()
File "/usr/lib/python2.3/site-packages/setuptools-0.6c1-py2.3.egg/pkg_resources.py", line 1830, in load
entry = __import__(self.module_name, globals(),globals(), ['__name__'])
File "build/bdist.linux-i686/egg/timingandestimationplugin/__init__.py", line 1, in ?
File "build/bdist.linux-i686/egg/timingandestimationplugin/api.py", line 3, in ?
File "build/bdist.linux-i686/egg/timingandestimationplugin/ticket_daemon.py", line 1, in ?
'''ImportError: cannot import name ITicketChangeListener'''