Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "c:\Python30\lib\site.py", line 427, in __call__
    return pydoc.help(*args, **kwds)
  File "c:\Python30\lib\pydoc.py", line 1675, in __call__
    self.interact()
  File "c:\Python30\lib\pydoc.py", line 1693, in interact
    self.help(request)
  File "c:\Python30\lib\pydoc.py", line 1711, in help
    self.listmodules(request.split()[1])
  File "c:\Python30\lib\pydoc.py", line 1799, in listmodules
    apropos(key)
  File "c:\Python30\lib\pydoc.py", line 1913, in apropos
    ModuleScanner().run(callback, key, onerror=onerror)
  File "c:\Python30\lib\pydoc.py", line 1875, in run
    source = loader.get_source(modname)
  File "c:\Python30\lib\pkgutil.py", line 293, in get_source
    self.source = self.file.read()
  File "c:\Python30\lib\io.py", line 1720, in read
    decoder = self._decoder or self._get_decoder()
  File "c:\Python30\lib\io.py", line 1506, in _get_decoder
    make_decoder = codecs.getincrementaldecoder(self._encoding)
  File "c:\Python30\lib\codecs.py", line 960, in getincrementaldecoder
    decoder = lookup(encoding).incrementaldecoder
LookupError: unknown encoding: uft-8