Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/Trac-0.11dev-py2.4.egg/trac/wiki/formatter.py", line 468, in _macro_formatter
    return macro.process(args, in_paragraph=True)
  File "/usr/lib/python2.4/site-packages/Trac-0.11dev-py2.4.egg/trac/wiki/formatter.py", line 179, in process
    text = self.processor(text)
  File "/usr/lib/python2.4/site-packages/Trac-0.11dev-py2.4.egg/trac/wiki/formatter.py", line 166, in _macro_processor
    text)
  File "build/bdist.linux-i686/egg/tracblog/web_ui.py", line 195, in expand_macro
NameError: global name 'req' is not defined