D:\Documents and Settings\User>yolk -U
Traceback (most recent call last):
  File "d:\Program Files\Python27\Scripts\yolk-script.py", line 9, in <module>
    load_entry_point('yolk==0.4.3', 'console_scripts', 'yolk')()
  File "d:\Program Files\Python27\lib\site-packages\yolk\cli.py", line 1090, in
main
    my_yolk.run()
  File "d:\Program Files\Python27\lib\site-packages\yolk\cli.py", line 180, in r
un
    self.pypi = CheeseShop(self.options.debug)
  File "d:\Program Files\Python27\lib\site-packages\yolk\pypi.py", line 109, in
__init__
    self.get_cache()
  File "d:\Program Files\Python27\lib\site-packages\yolk\pypi.py", line 127, in
get_cache
    self.fetch_pkg_list()
  File "d:\Program Files\Python27\lib\site-packages\yolk\pypi.py", line 184, in
fetch_pkg_list
    package_list = self.list_packages()
  File "d:\Program Files\Python27\lib\site-packages\yolk\pypi.py", line 202, in
list_packages
    return self.xmlrpc.list_packages()
  File "d:\Program Files\Python27\lib\xmlrpclib.py", line 1224, in __call__
    return self.__send(self.__name, args)
  File "d:\Program Files\Python27\lib\xmlrpclib.py", line 1570, in __request
    verbose=self.__verbose
  File "d:\Program Files\Python27\lib\site-packages\yolk\pypi.py", line 65, in r
equest
    return(self.parse_response(fhandle))
  File "d:\Program Files\Python27\lib\xmlrpclib.py", line 1449, in parse_respons
e
    if response.getheader("Content-Encoding", "") == "gzip":
AttributeError: addinfourl instance has no attribute 'getheader'