exceptions import SSLError, InsecurePlatformWarning when pip Python3.4.0 Win32

[bomboom]

Win32 以前装过python2.7 删了装python3.4 在用pip的时候报错如下：

C:\Users\think\Downloads\pip-7.1.2>pip
Traceback (most recent call last):
  File "C:\Python34\lib\runpy.py", line 171, in _run_module_as_main
    "__main__", mod_spec)
  File "C:\Python34\lib\runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "C:\Python34\Scripts\pip.exe\__main__.py", line 5, in <module>
  File "C:\Python34\lib\site-packages\pip\__init__.py", line 11, in <module>
    from pip.vcs import git, mercurial, subversion, bazaar  # noqa
  File "C:\Python34\lib\site-packages\pip\vcs\mercurial.py", line 9, in <module>
    from pip.download import path_to_url
  File "C:\Python34\lib\site-packages\pip\download.py", line 22, in <module>
    from pip._vendor import requests, six
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\__init__.py", line 58
, in <module>
    from . import utils
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\utils.py", line 25, i
n <module>
    from .compat import parse_http_list as _parse_list_header
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\compat.py", line 7, i
n <module>
    from .packages import chardet
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\packages\__init__.py"
, line 3, in <module>
    from . import urllib3
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\packages\urllib3\__in
it__.py", line 16, in <module>
    from .connectionpool import (
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\packages\urllib3\conn
ectionpool.py", line 33, in <module>
    from .connection import (
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\packages\urllib3\conn
ection.py", line 41, in <module>
    from .util import (
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\packages\urllib3\util
\__init__.py", line 5, in <module>
    from .ssl_ import (
  File "C:\Python34\lib\site-packages\pip\_vendor\requests\packages\urllib3\util
\ssl_.py", line 4, in <module>
    from ..exceptions import SSLError, InsecurePlatformWarning

ImportError: cannot import name 'InsecurePlatformWarning'