blocks|key|1502864|text|这为我做到了：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1502865|python+-m+pip+install+--upgrade+pip|code-block|syntax|javascript|1502866|环境:通过brew安装OSX和Python|offset|length|1502867|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.brew.sh/Homebrew-and-Python^0|0|0|5|4|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

This did it for me:

<pre><code>python -m pip install --upgrade pip
</code></pre>

Environment: OSX &amp;&amp; Python installed via <a href="https://docs.brew.sh/Homebrew-and-Python" rel="noreferrer">brew</a>

blocks|key|3879918|text|来自askUbuntu的答案是可行的。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3879919|对于pip2.7，您可以先执行curl+https://bootstrap.pypa.io/pip/2.7/get-pip.py+-o+get-pip.py，然后执行python2.7+get-pip.py+--force-reinstall来重新安装pip。|style|CODE|3879920|问题解决了。也适用于python3。|3879921|entityMap|0|LINK|mutability|MUTABLE|url|https://askubuntu.com/questions/1025189/pip-is-not-working-importerror-no-module-named-pip-internal^0|2|9|0|0|F|1R|2B|12|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]]|C|$]]|$1|D|3|E|5|6|7|V|8|@$A|W|B|X|F|G]|$A|Y|B|Z|F|G]]|9|@]|C|$]]|$1|H|3|I|5|6|7|10|8|@]|9|@]|C|$]]|$1|J|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|K|$L|$5|M|N|O|C|$P|Q]]]]

An answer from <a href="https://askubuntu.com/questions/1025189/pip-is-not-working-importerror-no-module-named-pip-internal">askUbuntu</a> works.
For pip2.7, you can at first <code> curl https://bootstrap.pypa.io/pip/2.7/get-pip.py -o get-pip.py</code>, then <code>python2.7 get-pip.py --force-reinstall</code> to reinstall pip.
Problem solved. Also works for python3.

blocks|key|5297155|text|这个解决方案对我很有效：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5297156|curl+https://bootstrap.pypa.io/get-pip.py+-o+get-pip.py
python3+get-pip.py+--force-reinstall|code-block|syntax|javascript|5297157|或者使用sudo获得提升的权限(sudo+python3+get-pip.py+--force-reinstall)。|offset|length|style|BOLD|CODE|5297158|当然，您也可以使用python而不是python3+;)|5297159|Source|5297160|entityMap|0|LINK|mutability|MUTABLE|url|https://askubuntu.com/a/1026848/500671^0|0|0|4|4|G|15|0|9|6|I|7|0|0|6|0|0^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|10|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|11|8|@$I|12|J|13|K|L]|$I|14|J|15|K|M]]|9|@]|A|$]]|$1|N|3|O|5|6|7|16|8|@$I|17|J|18|K|M]|$I|19|J|1A|K|M]]|9|@]|A|$]]|$1|P|3|Q|5|6|7|1B|8|@]|9|@$I|1C|J|1D|1|1E]]|A|$]]|$1|R|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|S|$T|$5|U|V|W|A|$X|Y]]]]

This solution works for me:

<pre><code>curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python3 get-pip.py --force-reinstall
</code></pre>

or use sudo for elevated permissions (<code>sudo python3 get-pip.py --force-reinstall</code>).

Of course, you can also use <code>python</code> instead of <code>python3</code> ;)

<a href="https://askubuntu.com/a/1026848/500671">Source</a>

blocks|key|5297005|text|您使用的是python+2还是python+3？以下命令可能有所不同！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5297006|5297007|运行python3+-m+pip+--version以查看是否已安装pip。|ordered-list-item|offset|length|style|CODE|5297008|如果已安装，请运行python3+-m+pip+install+--upgrade+pip.|5297009|if+|5297010|，然后运行sudo+apt-get+install+python3-pip，然后重新执行此操作。|5297011|5297012|entityMap^0|0|0|2|O|0|9|10|0|0|5|W|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|T|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|U|8|@$F|V|G|W|H|I]]|9|@]|A|$]]|$1|J|3|K|5|E|7|X|8|@$F|Y|G|Z|H|I]]|9|@]|A|$]]|$1|L|3|M|5|E|7|10|8|@]|9|@]|A|$]]|$1|N|3|O|5|E|7|11|8|@$F|12|G|13|H|I]]|9|@]|A|$]]|$1|P|3|-4|5|6|7|14|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|R|$]]

Are you using python 2 or python 3? The following commands could be different!
<ol>
<li>run <code>python3 -m pip --version</code> to see if you have pip installed.</li>
<li>if yes, run <code>python3 -m pip install --upgrade pip</code>.</li>
<li>if no, run <code>sudo apt-get install python3-pip</code>, and do it again.</li>
</ol>

blocks|key|1507295|text|请参阅此issue+list|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1507296|sudo+easy_install+pip|code-block|syntax|javascript|1507297|在Mac+OS下适用于我|1507298|对于python3，可能会尝试使用sudo+easy_install-3.x+pip，这取决于Python3.x版本。或python3+-m+pip+install+--user+--upgrade+pip|style|CODE|1507299|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/pypa/pip/issues/5373^0|4|A|0|0|0|0|2|7|H|P|1O|17|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|F|7|10|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|11|8|@]|9|@]|C|$]]|$1|K|3|L|5|6|7|12|8|@$A|13|B|14|M|N]|$A|15|B|16|M|N]|$A|17|B|18|M|N]]|9|@]|C|$]]|$1|O|3|-4|5|6|7|19|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]]]

Refer to this <a href="https://github.com/pypa/pip/issues/5373" rel="noreferrer">issue list</a>

<pre><code>sudo easy_install pip
</code></pre>

works for me under Mac OS

For <code>python3</code>, may try <code>sudo easy_install-3.x pip</code> depends on the python 3.x version. Or <code>python3 -m pip install --user --upgrade pip</code>

blocks|key|3880138|text|在文件"/usr/local/bin/pip“中，将+from+pip._internal+import+main更改为from+pip+import+main|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|CODE|entityRanges|data|3880139|entityMap^0|N|3|R|U|1O|K|0^^$0|@$1|2|3|4|5|6|7|I|8|@$9|J|A|K|B|C]|$9|L|A|M|B|D]|$9|N|A|O|B|D]]|E|@]|F|$]]|$1|G|3|-4|5|6|7|P|8|@]|E|@]|F|$]]]|H|$]]

In file "/usr/local/bin/pip" change <code>from pip._internal import main</code> to <code>from pip import main</code>

blocks|key|3880545|text|为了完整起见，我在"Ubuntu最新版本“中遇到了这个问题……v18.04+...并以这种方式修复它：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3880546|python3+-m+pip+install+--upgrade+pip|offset|length|style|CODE|3880547|(请注意，有必要指定python3，因为这引用了Python3.6.9。同一系统上的python命令引用Python2.7.17。由于这显然是一个系统范围的安装，它遇到了一个"not+sudo“...权限错误，但这无关紧要，因为无论如何这都是错误的。我在使用pip3__时遇到了这个问题。)|3880548|entityMap^0|0|0|10|0|A|7|16|6|3L|4|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@$D|Q|E|R|F|G]|$D|S|E|T|F|G]|$D|U|E|V|F|G]]|9|@]|A|$]]|$1|J|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|K|$]]

For completeness, I just encountered this problem with "Ubuntu latest" ... v18.04 ... and fixed it in this way:

<code>python3 -m pip install --upgrade pip</code>

(Notice that it was necessary to specify <code>python3</code> since this references Python 3.6.9. The <code>python</code> command on the same system references Python 2.7.17. Since this is apparently a system-wide installation it encountered a ["not sudo" ...] permission error, but it didn't matter because it was the wrong thing to do anyway. I was encountering the problem with <code>pip3</code>.)

blocks|key|1769420|text|此问题可能是由于普通用户没有访问包py文件的权限造成的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1769421|1769422|根用户可以运行'pip+list‘|ordered-list-item|1769423|其他普通用户不能运行'pip+list’|1769424|1769425|[~]$+pip+list
Traceback+(most+recent+call+last):
++File+"/usr/bin/pip",+line+7,+in+<module>
from+pip._internal+import+main
ImportError:+No+module+named+pip._internal|code-block|syntax|javascript|1769426|检查pip+py文件权限。|1769427|[root@]#+ll+/usr/lib/python2.7/site-packages/pip/++
合計+24++
-rw-------++1+root+root+++24++6月++7+16:57+__init__.py++
-rw-------++1+root+root++163++6月++7+16:57+__init__.pyc++
-rw-------++1+root+root++629++6月++7+16:57+__main__.py++
-rw-------++1+root+root++510++6月++7+16:57+__main__.pyc++
drwx------++8+root+root+4096++6月++7+16:57+_internal++
drwx------+18+root+root+4096++6月++7+16:57+_vendor++|1769428|解决方案:+root用户登录并运行|1769429|chmod+-R+755+/usr/lib/python2.7+|1769430|解决此问题。|1769431|entityMap^0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|10|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|11|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|12|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|13|8|@]|9|@]|A|$]]|$1|I|3|J|5|K|7|14|8|@]|9|@]|A|$L|M]]|$1|N|3|O|5|6|7|15|8|@]|9|@]|A|$]]|$1|P|3|Q|5|K|7|16|8|@]|9|@]|A|$L|M]]|$1|R|3|S|5|6|7|17|8|@]|9|@]|A|$]]|$1|T|3|U|5|K|7|18|8|@]|9|@]|A|$L|M]]|$1|V|3|W|5|6|7|19|8|@]|9|@]|A|$]]|$1|X|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]]|Y|$]]

This issue maybe due to common user do not have privilege to access packages py file. 
1. root user can run 'pip list' 
2. other common user cannot run 'pip list' 

<pre><code>[~]$ pip list
Traceback (most recent call last):
 File "/usr/bin/pip", line 7, in &lt;module&gt;
from pip._internal import main
ImportError: No module named pip._internal
</code></pre>

Check pip py file privilege. 

<pre><code>[root@]# ll /usr/lib/python2.7/site-packages/pip/ 
合計 24 
-rw------- 1 root root 24 6月 7 16:57 __init__.py 
-rw------- 1 root root 163 6月 7 16:57 __init__.pyc 
-rw------- 1 root root 629 6月 7 16:57 __main__.py 
-rw------- 1 root root 510 6月 7 16:57 __main__.pyc 
drwx------ 8 root root 4096 6月 7 16:57 _internal 
drwx------ 18 root root 4096 6月 7 16:57 _vendor 
</code></pre>

solution : root user login and run

<pre><code>chmod -R 755 /usr/lib/python2.7 
</code></pre>

fix this issue.

blocks|key|5297023|text|当PYTHONPATH被设置为包含内置的site-packages目录时，我就遇到过这个问题。因为Python会自动在那里查找，所以它是不必要的，可以删除。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|5297024|entityMap^0|1|A|K|D|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

I've seen this issue when <code>PYTHONPATH</code> was set to include the built-in <code>site-packages</code> directory. Since Python looks there automatically it is unnecessary and can be removed.

blocks|key|1769583|text|我刚刚遇到了同样的问题，在我的例子中，这是我的virtualenv中的python安装和站点范围的python+(Ubuntu)之间的冲突。对我来说，解决这个问题的方法是以这种方式运行pip，强制使用正确的python安装(在我的vortualenv中)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1769584|python3+-m+pip+install+PACKAGE|code-block|syntax|javascript|1769585|而不是|1769586|pip3+install+PACKAGE|1769587|当我尝试遵循建议重新安装pip的一些答案时，我意识到了这一点，尽管我已经激活了我的virtualenv，但我得到的错误输出是指向一个现有的站点范围的python库路径。在删除和重新安装东西之前，值得一试。|1769588|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

I just encountered the same problem and in my case, it turns out this is a conflict between the python installation in my virtualenv and the site-wide python (Ubuntu).
What solves it for me is to run pip in this way, to force usage of the correct python installation (in my vortualenv):

<pre><code>python3 -m pip install PACKAGE
</code></pre>

instead of 

<pre><code>pip3 install PACKAGE
</code></pre>

I realised this when I tried to follow some of the answers here that suggest re-installing pip and the error output I got was pointing to an existing site-wide python library path although I had activated my virtualenv. 
Worth trying before deleting and re-installing stuff.

blocks|key|1503139|text|对我来说|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1503140|python+-m+pip+uninstall+pip|code-block|syntax|javascript|1503141|解决了问题。Reference|offset|length|1503142|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/pypa/pip/issues/5599#issuecomment-414157896^0|0|0|6|9|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

For me 

<pre><code>python -m pip uninstall pip
</code></pre>

solved the issue. <a href="https://github.com/pypa/pip/issues/5599#issuecomment-414157896" rel="nofollow noreferrer">Reference</a>

blocks|key|1502856|text|这可能是由于版本冲突，尝试运行此程序，它将以某种方式删除旧的pip。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1502857|sudo+apt+remove+python+pip|code-block|syntax|javascript|1502858|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Its probably due to a version conflict, try to run this, it will remove the older pip somehow.

<pre><code>sudo apt remove python pip
</code></pre>

blocks|key|5297500|text|我已经通过运行以下命令修复了这个错误：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5297501|sudo+apt+remove+python-pip
wget+https://bootstrap.pypa.io/get-pip.py
sudo+python+get-pip.py|code-block|syntax|javascript|5297502|它将删除先前安装的pip并重新安装它。谢谢:)|5297503|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I have fixed this error by running the following commands:

<pre><code>sudo apt remove python-pip
wget https://bootstrap.pypa.io/get-pip.py
sudo python get-pip.py
</code></pre>

It will remove the previously installed pip and reinstall it. 
Thanks :)

blocks|key|3880109|text|对于我来说，没有什么是有效的，但只有一件事:我在命令前面使用了sudo，它工作得很好。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3880110|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Nothing worked for me, but only one thing:
I used sudo in front of the command and it is working fine.

blocks|key|5297667|text|我尝试了以下命令来解决这个问题，它对我有效：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5297668|curl+https://bootstrap.pypa.io/get-pip.py+-o+get-pip.py
python3+get-pip.py+--force-reinstall|code-block|syntax|javascript|5297669|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I tried the following command to solve the issue and it worked for me:
<pre><code>curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python3 get-pip.py --force-reinstall
</code></pre>

blocks|key|3879991|text|下面的解决方案在我的机器上解决了python2.7+"$+curl+https://bootstrap.pypa.io/get-pip.py+-o+get-pip.py“的问题，然后是"$+sudo+python2.7+get-pip.py+--force-reinstall”|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3879992|entityMap|0|LINK|mutability|MUTABLE|url|https://bootstrap.pypa.io/get-pip.py^0|Y|10|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

The following solution solved the problem on my machine for python2.7 
"$ curl <a href="https://bootstrap.pypa.io/get-pip.py" rel="nofollow noreferrer">https://bootstrap.pypa.io/get-pip.py</a> -o get-pip.py"
and then
"$ sudo python2.7 get-pip.py --force-reinstall"

blocks|key|5297564|text|仅适用于当前用户：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5297565|easy_install+--user+pip|offset|length|style|CODE|5297566|或|5297567|python+-m+pip+install+--upgrade+--user+pip|5297568|即使which+pip找到名为pip的模块，第二个可能也会给出/usr/bin/python:+No+module+named+pip。在这种情况下，尝试使用easy_install|5297569|entityMap^0|0|0|N|0|0|0|16|0|2|9|V|10|27|C|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@$D|R|E|S|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|T|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|U|8|@$D|V|E|W|F|G]]|9|@]|A|$]]|$1|L|3|M|5|6|7|X|8|@$D|Y|E|Z|F|G]|$D|10|E|11|F|G]|$D|12|E|13|F|G]]|9|@]|A|$]]|$1|N|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|O|$]]

For the current user only:

<code>easy_install --user pip</code>

or 

<code>python -m pip install --upgrade --user pip</code>

The second may give <code>/usr/bin/python: No module named pip</code>
Even if <code>which pip</code> finds the module named pip.
In this case try the <code>easy_install</code>

blocks|key|3880464|text|当我试图通过pip3安装一个软件包时，我在Windows上遇到了同样的错误：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3880465|Traceback+(most+recent+call+last):
++File+"d:\anaconda\lib\runpy.py",+line+193,+in+_run_module_as_main
++++"__main__",+mod_spec)
++File+"d:\anaconda\lib\runpy.py",+line+85,+in+_run_code
++++exec(code,+run_globals)
++File+"D:\Anaconda\Scripts\pip3.6.exe\__main__.py",+line+5,+in+<module>
ModuleNotFoundError:+No+module+named+'pip._internal'|code-block|syntax|javascript|3880466|我的python是通过Anaconda安装的。我通过conda重装pip解决了这个问题：|3880467|conda+install+pip|3880468|在此之后，pip恢复正常。|3880469|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

I met the same error on Windows when I tried to install a package via pip3:

<pre><code>Traceback (most recent call last):
 File "d:\anaconda\lib\runpy.py", line 193, in _run_module_as_main
 "__main__", mod_spec)
 File "d:\anaconda\lib\runpy.py", line 85, in _run_code
 exec(code, run_globals)
 File "D:\Anaconda\Scripts\pip3.6.exe\__main__.py", line 5, in &lt;module&gt;
ModuleNotFoundError: No module named 'pip._internal'
</code></pre>

My python is installed via Anaconda. I solved this issue by reinstalling pip via conda:

<pre><code>conda install pip
</code></pre>

After that, pip returns to normal.

blocks|key|3880207|text|我有同样的问题在我的虚拟环境升级后，python安装从3.6到3.7，但只有在vent全局pip工作正常，为了解决这个问题，我停用并删除我的虚拟环境后重新创建，现在是正常的，在venv：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3880208|deactivate
rm+-rvf+venv+|code-block|syntax|javascript|3880209|并且在重新创建虚拟环境之后。我使用的是mac+OS+10.11和python+3|3880210|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I have the same problem on my virtual environment after upgrade python installation from 3.6 to 3.7 but only on vent globally pip work fine, to solve it I deactivate and delete my virtual environment after recreate again and now is fine, on venv:

<pre><code>deactivate
rm -rvf venv 
</code></pre>

and after recreate the virtual environment.
I use mac OS 10.11, and python 3

blocks|key|1769648|text|(在windows上)不确定为什么会发生这种情况，但我的PYTHONPATH设置指向安装python的c:\python27。与virtualenv相结合，这就产生了前面提到的bug。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1769649|已通过一起删除PYTHONPATH+env+var来解决|1769650|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

(On windows)
not sure why this was happening but I had my PYTHONPATH setup to point to c:\python27 where python was installed. in combination with virtualenv this produced the mentioned bug.

resolved by removing the PYTHONPATH env var all together

blocks|key|5297462|text|我的解决方案:像大多数其他答案一样，第一步：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5297463|curl+https://bootstrap.pypa.io/get-pip.py+-o+get-pip.py
python2.7+get-pip.py+--force-reinstall|code-block|syntax|javascript|5297464|第二，添加软链接|5297465|sudo+ln+-s+/usr/local/bin/pip+/usr/bin/pip|5297466|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

my solution:
first step like most other answer:

<pre><code>curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python2.7 get-pip.py --force-reinstall
</code></pre>

second, add soft link

<pre><code>sudo ln -s /usr/local/bin/pip /usr/bin/pip
</code></pre>

blocks|key|3880404|text|此命令适用于我。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3880405|curl+https://bootstrap.pypa.io/get-pip.py+-o+get-pip.py+python+get-pip.py+--强制重新安装--用户|offset|length|3880406|entityMap|0|LINK|mutability|MUTABLE|url|https://bootstrap.pypa.io/get-pip.py^0|0|5|10|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

This command works for me.

curl <a href="https://bootstrap.pypa.io/get-pip.py" rel="nofollow noreferrer">https://bootstrap.pypa.io/get-pip.py</a> -o get-pip.py
python get-pip.py --force-reinstall --user

blocks|key|1503042|text|你可以先删除它，然后再安装，它会好起来的。对于centos：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1503043|yum+remove+python-pip
yum+install+python-pip|code-block|syntax|javascript|1503044|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

you can remove it first, and install again ,it will be ok.
for centos:

<pre><code>yum remove python-pip
yum install python-pip
</code></pre>

blocks|key|1507447|text|我通过以下方式修复了这个问题|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1507448|sudo+apt-get+install+python3-pip|code-block|syntax|javascript|1507449|这甚至适用于python2.7，令人惊叹...|1507450|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I fixed this problem by

<pre><code>sudo apt-get install python3-pip
</code></pre>

this worked even for python2.7, amazing...

blocks|key|1769817|text|我的解决方案是在链接到pip/pip3命令的脚本中添加import+pip。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1769818|首先，用你喜欢的文本编辑器和sudo模式打开文件(例如/usr/local/bin/pip)。例如，我使用sudo+vim+/usr/local/bin/pip打开脚本文件。|1769819|您将获得一些文件，如下所示：|1769820|import+re
import+sys

from+pip._internal+import+main

if+__name__+==+'__main__':
++++sys.argv[0]+=+re.sub(r'(-script\.pyw?%7C\.exe)?$',+'',+sys.argv[0])
++++sys.exit(main())|code-block|syntax|javascript|1769821|然后，在from+pip._internal+import+main之前插入语句import+pip，问题就解决了。|1769822|entityMap^0|B|8|R|A|0|R|I|1H|R|0|0|0|4|U|14|A|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|X|8|@$9|Y|A|Z|B|C]|$9|10|A|11|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|12|8|@]|D|@]|E|$]]|$1|J|3|K|5|L|7|13|8|@]|D|@]|E|$M|N]]|$1|O|3|P|5|6|7|14|8|@$9|15|A|16|B|C]|$9|17|A|18|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|R|$]]

My solution is adding <code>import pip</code> to the script linked to the <code>pip/pip3</code> commands.

Firstly, open the file (e.g. <code>/usr/local/bin/pip</code>) with your favorite text editor and the sudo mode. For example, I use <code>sudo vim /usr/local/bin/pip</code> to open the script file.

You will obtain some file as following:

<pre><code>import re
import sys

from pip._internal import main

if __name__ == '__main__':
 sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
 sys.exit(main())
</code></pre>

Afterwards, insert the statement <code>import pip</code> just before the <code>from pip._internal import main</code> then the issue is resolved.

blocks|key|1769869|text|这通常来自使用pip“更新”系统安装的pip，和/或在user下安装多个pip。我的解决方案是清除user下的多个已安装pip，重新安装pip+repo，然后如上所述"pip+install+--user+pip“。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1769870|有关该问题的官方完整讨论和修复，请参阅：https://github.com/pypa/pip/issues/5599。|offset|length|1769871|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/pypa/pip/issues/5599^0|0|K|13|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

These often comes from using pip to "update" system installed pip, and/or having multiple pip installs under user. My solution was to clean out the multiple installed pips under user, reinstall pip repo, then "pip install --user pip" as above.

See: <a href="https://github.com/pypa/pip/issues/5599" rel="nofollow noreferrer">https://github.com/pypa/pip/issues/5599</a> for an official complete discussion and fixes for the problem.

blocks|key|1503162|text|windows操作系统：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1503163|1、download+this+file：“https://bootstrap.pypa.io/get-pip.py”，Put+it+in+this（E:\PythonProject\venv\Scripts’（Your+virtual+environment+installation+directory））+directory！
2、open+‘Windows+PowerShell’
3、cd+‘E:\PythonProject\venv\Scripts’（Your+virtual+environment+installation+directory）
4、run+cmd+‘py+get-pip.py’|code-block|syntax|javascript|1503164|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

windows OS：
<pre><code>1、download this file：“https://bootstrap.pypa.io/get-pip.py”，Put it in this（E:\PythonProject\venv\Scripts’（Your virtual environment installation directory）） directory！
2、open ‘Windows PowerShell’
3、cd ‘E:\PythonProject\venv\Scripts’（Your virtual environment installation directory）
4、run cmd ‘py get-pip.py’
</code></pre>

I have a problem when I try to use pip in any way. I'm using Ubuntu 16.04.4
I should say that I've used it already, and I never had any problem, but starting today when I use any command I always get the same error (as an example using <code>pip --upgrade</code>).
<pre><code>Traceback (most recent call last):
 File &quot;/usr/local/bin/pip&quot;, line 7, in &lt;module&gt;
 from pip._internal import main
ImportError: No module named _internal
</code></pre>
I have tried doing <code>sudo apt-get remove python-pip</code> followed by <code>sudo apt-get install python-pip</code> but nothing changed.

pip: no module named _internal

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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当我尝试以任何方式使用pip时，我都会遇到问题。我使用的是Ubuntu 16.04.4我应该说我已经用过它了，而且我从来没有遇到过任何问题，但是从今天开始，当我使用任何命令时，我总是得到相同的错误(例如使用pip --upgrade)。Traceback (most recent call last): File "/usr/local/bin/pip", line 7, in <module>

问pip:没有名为_internal的模块
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问pip:没有名为_internal的模块
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