問題

2015-04-24 02:31:42,380 Trac[env] INFO: -------------------------------- environment startup [Trac 1.0.3-ja0.1dev-r0] --------------------------------
2015-04-24 02:31:44,489 Trac[loader] ERROR: Skipping "timingandestimationplugin = timingandestimationplugin": 
Traceback (most recent call last):
  File "C:\TracLight\python\lib\site-packages\trac-1.0.3_ja0.1dev_r0-py2.6.egg\trac\loader.py", line 68, in _load_eggs
    entry.load(require=True)
  File "C:\TracLight\python\lib\site-packages\setuptools-7.0-py2.6.egg\pkg_resources.py", line 2184, in load
    ['__name__'])
  File "C:\TracLight\python\lib\site-packages\timingandestimationplugin-1.0.6-py2.6.egg\timingandestimationplugin\__init__.py", line 1, in <module>
    from api import *
  File "C:\TracLight\python\lib\site-packages\timingandestimationplugin-1.0.6-py2.6.egg\timingandestimationplugin\api.py", line 8, in <module>
    from trac.log import logger_factory
ImportError: cannot import name logger_factory