异常 You are using pip version 9.0.1, however version 20.0.1 is available.

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我是靠谱客的博主无聊抽屉，这篇文章主要介绍异常 You are using pip version 9.0.1, however version 20.0.1 is available.，现在分享给大家，希望可以做个参考。

注意，我的这个异常是：安装完cudnn3.5.0之后，用cuda创建的tensorflow环境进行安装 tensorflow1.13.1时出现pip版本太低的问题。

Invalid requirement: '=='
Traceback (most recent call last):
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/packaging/requirements.py", line 92, in __init__
    req = REQUIREMENT.parseString(requirement_string)
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1617, in parseString
    raise exc
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1607, in parseString
    loc, tokens = self._parse( instring, 0 )
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 3376, in parseImpl
    loc, exprtokens = e._parse( instring, loc, doActions )
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 3698, in parseImpl
    return self.expr._parse( instring, loc, doActions, callPreParse=False )
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1379, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 3359, in parseImpl
    loc, resultlist = self.exprs[0]._parse( instring, loc, doActions, callPreParse=False )
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 1383, in _parseNoCache
    loc,tokens = self.parseImpl( instring, preloc, doActions )
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/pyparsing.py", line 2670, in parseImpl
    raise ParseException(instring, loc, self.errmsg, self)
pip._vendor.pyparsing.ParseException: Expected W:(abcd...) (at char 0), (line:1, col:1)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/req/req_install.py", line 82, in __init__
req = Requirement(req)
File "/home/image/.conda/envs/tensorflow/lib/python3.6/site-packages/pip/_vendor/packaging/requirements.py", line 96, in __init__
requirement_string[e.loc:e.loc + 8]))
pip._vendor.packaging.requirements.InvalidRequirement: Invalid requirement, parse error at "'=='"

You are using pip version 9.0.1, however version 20.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

最后两行时提醒。

当然这个异常提醒 pip install --upgrade pip;意思就是升级pip

我按提醒执行 pip install --upgrade pip，出现异常。网上搜了很多 pip升级方案，但是都不能用。因为这是cudnn里面的pip。

实在没办法，继续执行就成功了。所以总结出现异常的原因时网络链接不稳，毕竟是外网，我又没有VPN。

总之，pip install --upgrade pip 回车

Collecting pip
Downloading https://files.pythonhosted.org/packages/43/84/23ed6a1796480a6f1a2d38f2802901d078266bda38388954d01d3f2e821d/pip-20.1.1-py2.py3-none-any.whl (1.5MB)
    100% |████████████████████████████████| 1.5MB 9.1kB/s
Installing collected packages: pip
Found existing installation: pip 9.0.1
    Uninstalling pip-9.0.1:
      Successfully uninstalled pip-9.0.1
Successfully installed pip-20.1.1