解决python -m pip install --upgrade pip 升级不成功问题
<p>1、使用命令出现、</p><div class="cnblogs_code">
<pre>You are <span style="color: rgba(0, 0, 255, 1)">using</span> pip version <span style="color: rgba(128, 0, 128, 1)">9.0</span>.<span style="color: rgba(128, 0, 128, 1)">1</span>, however version <span style="color: rgba(128, 0, 128, 1)">19.1</span>.<span style="color: rgba(128, 0, 128, 1)">1</span> <span style="color: rgba(0, 0, 255, 1)">is</span><span style="color: rgba(0, 0, 0, 1)"> available.
You should consider upgrading via the </span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">python -m pip install --upgrade pip</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(0, 0, 0, 1)"> command.
PS D:\安装\Python36</span>-<span style="color: rgba(128, 0, 128, 1)">32</span>\Lib><span style="color: rgba(0, 0, 0, 1)">
PS D:\安装\Python36</span>-<span style="color: rgba(128, 0, 128, 1)">32</span>\Lib><span style="color: rgba(0, 0, 0, 1)">
PS D:\安装\Python36</span>-<span style="color: rgba(128, 0, 128, 1)">32</span>\Lib> python -m pip install --<span style="color: rgba(0, 0, 0, 1)">upgrade pip
Collecting pip
Downloading https:</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">files.pythonhosted.org/packages/5c/e0/be401c003291b56efc55aeba6a80ab790d3d4cece2778288d65323009420/pip-19.1.1-py2.py3-none-any.whl (1.4MB)</span>
<span style="color: rgba(128, 0, 128, 1)">3</span>% |█ | 40kB <span style="color: rgba(128, 0, 128, 1)">1</span>.4kB/s eta <span style="color: rgba(128, 0, 128, 1)">0</span>:<span style="color: rgba(128, 0, 128, 1)">16</span><span style="color: rgba(0, 0, 0, 1)">:01Exception:
Traceback (most recent call last):
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\_vendor\requests\packages\urllib3\response.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">232</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> _error_catcher
</span><span style="color: rgba(0, 0, 255, 1)">yield</span><span style="color: rgba(0, 0, 0, 1)">
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\_vendor\requests\packages\urllib3\response.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">314</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> read
data </span>=<span style="color: rgba(0, 0, 0, 1)"> self._fp.read(amt)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">60</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> read
data </span>=<span style="color: rgba(0, 0, 0, 1)"> self.__fp.read(amt)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\Lib\http\client.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">449</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> read
n </span>=<span style="color: rgba(0, 0, 0, 1)"> self.readinto(b)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\Lib\http\client.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">493</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> readinto
n </span>=<span style="color: rgba(0, 0, 0, 1)"> self.fp.readinto(b)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\Lib\socket.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">586</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> readinto
</span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> self._sock.recv_into(b)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\Lib\ssl.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">1009</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> recv_into
</span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> self.read(nbytes, buffer)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\Lib\ssl.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">871</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> read
</span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> self._sslobj.read(len, buffer)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\Lib\ssl.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">631</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> read
v </span>=<span style="color: rgba(0, 0, 0, 1)"> self._sslobj.read(len, buffer)
socket.timeout: The read operation timed </span><span style="color: rgba(0, 0, 255, 1)">out</span><span style="color: rgba(0, 0, 0, 1)">
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\basecommand.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">215</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> main
status </span>=<span style="color: rgba(0, 0, 0, 1)"> self.run(options, args)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\commands\install.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">324</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> run
requirement_set.prepare_files(finder)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\req\req_set.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">380</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> prepare_files
ignore_dependencies</span>=<span style="color: rgba(0, 0, 0, 1)">self.ignore_dependencies))
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\req\req_set.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">620</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> _prepare_file
session</span>=self.session, hashes=<span style="color: rgba(0, 0, 0, 1)">hashes)
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\download.py</span><span style="color: rgba(128, 0, 0, 1)">"</span>, line <span style="color: rgba(128, 0, 128, 1)">821</span>, <span style="color: rgba(0, 0, 255, 1)">in</span><span style="color: rgba(0, 0, 0, 1)"> unpack_url
hashes</span>=<span style="color: rgba(0, 0, 0, 1)">hashes
File </span><span style="color: rgba(128, 0, 0, 1)">"</span><span style="color: rgba(128, 0, 0, 1)">D:\安装\Python36-32\lib\site-packages\pip\download.</span></pre>
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<p>2、问题解决，这是因为服务器连接超时，使用一下代码即可解决</p>
<div class="cnblogs_code">
<pre>python -m pip install --upgrade pip -i https:<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">pypi.douban.com/simple</span></pre>
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<p> </p><br><br>
来源：https://www.cnblogs.com/karrya/p/10873075.html
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