Питон не хочет обновлятся

Microsoft Windows [Version 6.1.7601]
(c) Корпорация Майкрософт (Microsoft Corp.), 2009. Все права защищены.
 
C:\Users\Alex>cd c:/python27
 
c:\Python27>python -m pip install —upgrade pip
Exception:
Traceback (most recent call last):
File "c:\Python27\lib\site-packages\pip\basecommand.py", line 209, in main
status = self.run(options, args)
File "c:\Python27\lib\site-packages\pip\commands\install.py", line 299, in run
 
requirement_set.prepare_files(finder)
File "c:\Python27\lib\site-packages\pip\req\req_set.py", line 360, in prepare_
files
ignore_dependencies=self.ignore_dependencies))
File "c:\Python27\lib\site-packages\pip\req\req_set.py", line 448, in _prepare
_file
req_to_install, finder)
File "c:\Python27\lib\site-packages\pip\req\req_set.py", line 397, in _check_s
kip_installed
finder.find_requirement(req_to_install, self.upgrade)
File "c:\Python27\lib\site-packages\pip\index.py", line 440, in find_requireme
nt
all_candidates = self.find_all_candidates(req.name)
File "c:\Python27\lib\site-packages\pip\index.py", line 398, in find_all_candi
dates
for page in self._get_pages(url_locations, project_name):
File "c:\Python27\lib\site-packages\pip\index.py", line 543, in _get_pages
page = self._get_page(location)
File "c:\Python27\lib\site-packages\pip\index.py", line 646, in _get_page
return HTMLPage.get_page(link, session=self.session)
File "c:\Python27\lib\site-packages\pip\index.py", line 755, in get_page
"Cache-Control": "max-age=600",
File "c:\Python27\lib\site-packages\pip\_vendor\requests\sessions.py", line 48
0, in get
return self.request('GET', url, **kwargs)
File "c:\Python27\lib\site-packages\pip\download.py", line 378, in request
return super(PipSession, self).request(method, url, *args, **kwargs)
File "c:\Python27\lib\site-packages\pip\_vendor\requests\sessions.py", line 46
8, in request
resp = self.send(prep, **send_kwargs)
File "c:\Python27\lib\site-packages\pip\_vendor\requests\sessions.py", line 60
8, in send
r.content
File "c:\Python27\lib\site-packages\pip\_vendor\requests\models.py", line 737,
in content
self._content = bytes().join(self.iter_content(CONTENT_CHUNK_SIZE)) or bytes
()
File "c:\Python27\lib\site-packages\pip\_vendor\requests\models.py", line 660,
in generate
for chunk in self.raw.stream(chunk_size, decode_content=True):
File "c:\Python27\lib\site-packages\pip\_vendor\requests\packages\urllib3\resp
onse.py", line 344, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "c:\Python27\lib\site-packages\pip\_vendor\requests\packages\urllib3\resp
onse.py", line 301, in read
data = self._fp.read(amt)
File "c:\Python27\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py",
line 54, in read
self.__callback(self.__buf.getvalue())
File "c:\Python27\lib\site-packages\pip\_vendor\cachecontrol\controller.py", l
ine 297, in cache_response
self.serializer.dumps(request, response, body=body),
File "c:\Python27\lib\site-packages\pip\download.py", line 281, in set
return super(SafeFileCache, self).set(*args, **kwargs)
File "c:\Python27\lib\site-packages\pip\_vendor\cachecontrol\caches\file_cache
.py", line 99, in set
with self.lock_class(name) as lock:
File "c:\Python27\lib\site-packages\pip\_vendor\lockfile\mkdirlockfile.py", li
ne 19, in __init__
LockBase.__init__(self, path, threaded, timeout)
File "c:\Python27\lib\site-packages\pip\_vendor\lockfile\__init__.py", line 24
2, in __init__
hash(self.path)))
File "c:\Python27\lib\ntpath.py", line 85, in join
result_path = result_path + p_path
UnicodeDecodeError: 'ascii' codec can't decode byte 0xcf in position 5: ordinal
not in range(128)
 
c:\Python27>