python 安装第三方库的时候出现的问题，求助

UnicodeDecodeError: 'ascii' codec can't decode byte 0xb3 in position 9: ordinal not in range(128)

Try to run this command from the system terminal. Make sure that you use the correct version of 'pip' installed for your Python interpreter located at 'C:\Python27\python.exe'.

Collecting pip==8.1.2

You are using pip version 7.1.0, however version 8.1.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.
C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\_vendor\requests\packages\urllib3\util\ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
The repository located at pypi.douban.com is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence this warning and allow it anyways with '--trusted-host pypi.douban.com'.
Exception:
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\basecommand.py", line 223, in main
status = self.run(options, args)
File "C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\commands\install.py", line 282, in run
requirement_set.prepare_files(finder)
File "C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\req\req_set.py", line 334, in prepare_files
functools.partial(self._prepare_file, finder))
File "C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\req\req_set.py", line 321, in _walk_req_to_install
more_reqs = handler(req_to_install)
File "C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\req\req_set.py", line 491, in _prepare_file
session=self.session)
File "C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\download.py", line 825, in unpack_url
session,
File "C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\download.py", line 673, in unpack_http_url
from_path, content_type = _download_http_url(link, session, temp_dir)
File "C:\Python27\lib\site-packages\pip-7.1.0-py2.7.egg\pip\download.py", line 884, in _download_http_url
file_path = os.path.join(temp_dir, filename)
File "C:\Python27\lib\ntpath.py", line 108, in join
path += "\\" + b
UnicodeDecodeError: 'ascii' codec can't decode byte 0xb3 in position 9: ordinal not in range(128)