blocks|key|2749250|text|以下是由Chris+Golke+-+Python+Windows+Binary+packages+-+PyQt构建的Windows轮包|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2749251|在文件名中，cp27表示C-python版本2.7，cp35表示Python3.5，依此类推。|style|CODE|2749252|因为Qt是一个更复杂的系统，在它提供的python接口下有一个编译的C%2B%2B代码库，所以构建它可能比仅仅是一个纯python代码包更复杂，这意味着很难从源代码安装它。|2749253|确保您获取了正确的Windows轮文件(python版本，32/64位)，然后使用pip安装它-例如：|2749254|C:\path\where\wheel\is\>+pip+install+PyQt4-4.11.4-cp35-none-win_amd64.whl|code-block|syntax|javascript|2749255|如果你运行的是Python3.5的x64版本，应该正确安装。|2749256|entityMap|0|LINK|mutability|MUTABLE|url|http://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4|1|https://pip.pypa.io/en/stable/installing/^0|I|11|0|0|6|4|Q|4|0|0|15|3|1|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@$A|13|B|14|1|15]]|C|$]]|$1|D|3|E|5|6|7|16|8|@$A|17|B|18|F|G]|$A|19|B|1A|F|G]]|9|@]|C|$]]|$1|H|3|I|5|6|7|1B|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|1C|8|@]|9|@$A|1D|B|1E|1|1F]]|C|$]]|$1|L|3|M|5|N|7|1G|8|@]|9|@]|C|$O|P]]|$1|Q|3|R|5|6|7|1H|8|@]|9|@]|C|$]]|$1|S|3|-4|5|6|7|1I|8|@]|9|@]|C|$]]]|T|$U|$5|V|W|X|C|$Y|Z]]|10|$5|V|W|X|C|$Y|11]]]]

Here are Windows wheel packages built by Chris Golke - <a href="http://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4" rel="noreferrer">Python Windows Binary packages - PyQt</a>

In the filenames <code>cp27</code> means C-python version 2.7, <code>cp35</code> means python 3.5, etc.

Since Qt is a more complicated system with a compiled C++ codebase underlying the python interface it provides you, it can be more complex to build than just a pure python code package, which means it can be hard to install it from source.

Make sure you grab the correct Windows wheel file (python version, 32/64 bit), and then use <a href="https://pip.pypa.io/en/stable/installing/" rel="noreferrer">pip</a> to install it - e.g:

<pre><code>C:\path\where\wheel\is\&gt; pip install PyQt4-4.11.4-cp35-none-win_amd64.whl
</code></pre>

Should properly install if you are running an x64 build of Python 3.5.

blocks|key|2749338|text|QT不再支持PyQt4，但您可以使用pip安装PyQt5：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2749339|pip+install+PyQt5|code-block|syntax|javascript|2749340|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|$]]

QT no longer supports PyQt4, but you can install PyQt5 with pip:

<pre><code>pip install PyQt5
</code></pre>

blocks|key|2962020|text|您不能使用pip。您必须从Riverbank网站下载并运行适用于您的python版本的安装程序。如果您的版本没有安装，您将不得不为可用的安装程序之一安装Python，或者从源代码构建(这是相当复杂的)。其他答案和评论都有链接。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2962021|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|$]]

You can't use pip. You have to download from the Riverbank website and run the installer for your version of python. If there is no install for your version, you will have to install Python for one of the available installers, or build from source (which is rather involved). Other answers and comments have the links.

blocks|key|159945|text|如果你在Windows上安装PyQt4，默认情况下文件会出现在这里：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|159946|159947|+C:\Python27\Lib\site-packages\PyQt4*.*|blockquote|159948|159949|159950|但是它也在这里留下了一个文件：|159951|159952|+C:\Python27\Lib\site-packages\sip.pyd|159953|159954|159955|如果您将sip.pyd和PyQt4文件夹都复制到您的virtualenv中，则一切都会正常工作。|159956|例如：|159957|mkdir+c:\code
cd+c:\code
virtualenv+BACKUP
cd+c:\code\BACKUP\scripts
activate|code-block|syntax|javascript|159958|然后使用windows资源管理器将上述文件(sip.pyd)和文件夹(PyQt4)从C:\Python27\Lib\site-packages复制到C:\code\BACKUP\Lib\site-packages\|offset|length|style|CODE|159959|然后回到CLI：|159960|cd+..+++++++++++++++++
(c:\code\BACKUP)
python+backup.py|159961|试图在virtualenv中启动一个调用PyQt4的脚本的问题是，virtualenv没有安装PyQt4，并且它不知道如何引用上面描述的默认安装。但是，按照以下步骤将PyQt4复制到您的虚拟环境中，事情应该会运行得很好。|159962|entityMap^0|0|0|0|0|0|0|0|0|0|0|0|0|0|16|T|22|X|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1D|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]|$1|G|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|1G|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|1H|8|@]|9|@]|A|$]]|$1|K|3|L|5|E|7|1I|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1K|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1L|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1M|8|@]|9|@]|A|$]]|$1|S|3|T|5|U|7|1N|8|@]|9|@]|A|$V|W]]|$1|X|3|Y|5|6|7|1O|8|@$Z|1P|10|1Q|11|12]|$Z|1R|10|1S|11|12]]|9|@]|A|$]]|$1|13|3|14|5|6|7|1T|8|@]|9|@]|A|$]]|$1|15|3|16|5|U|7|1U|8|@]|9|@]|A|$V|W]]|$1|17|3|18|5|6|7|1V|8|@]|9|@]|A|$]]|$1|19|3|-4|5|6|7|1W|8|@]|9|@]|A|$]]]|1A|$]]

If you install PyQt4 on Windows, files wind up here by default:

<blockquote>
 C:\Python27\Lib\site-packages\PyQt4*.*
</blockquote>

but it also leaves a file here:

<blockquote>
 C:\Python27\Lib\site-packages\sip.pyd
</blockquote>

If you copy the both the sip.pyd and PyQt4 folder into your virtualenv things will work fine.

For example:

<pre><code>mkdir c:\code
cd c:\code
virtualenv BACKUP
cd c:\code\BACKUP\scripts
activate
</code></pre>

Then with windows explorer copy from <code>C:\Python27\Lib\site-packages</code> the file (sip.pyd) and folder (PyQt4) mentioned above to <code>C:\code\BACKUP\Lib\site-packages\</code>

Then back at CLI:

<pre><code>cd .. 
(c:\code\BACKUP)
python backup.py
</code></pre>

The problem with trying to launch a script which calls PyQt4 from within virtualenv is that the virtualenv does not have PyQt4 installed and it doesn't know how to reference the default installation described above. But follow these steps to copy PyQt4 into your virtualenv and things should work great.

blocks|key|159964|text|早期的PyQt+.exe安装程序可以直接从网站下载页面获得。现在随着PyQt4.12的发布，安装程序已被弃用。您可以通过编译这些库来以某种方式使它们工作，但这将意味着要付出很大的努力。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|159965|另外，你可以使用之前的发行版来解决你的问题。.exe+windows安装程序可从以下位置下载：|159966|159967|+https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/|blockquote|offset|length|159968|159969|entityMap|0|LINK|mutability|MUTABLE|url|https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/^0|0|0|0|1|1Q|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|V|8|@]|9|@$H|W|I|X|1|Y]]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

Earlier PyQt .exe installers were available directly from the website download page. Now with the release of PyQt4.12 , installers have been deprecated. You can make the libraries work somehow by compiling them but that would mean going to great lengths of trouble.

Otherwise you can use the previous distributions to solve your purpose. The .exe windows installers can be downloaded from :

<blockquote>
 <a href="https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/" rel="noreferrer">https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/</a>
</blockquote>

blocks|key|161164|text|看起来您可能需要对PyQt4进行一些手动安装。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|161165|http://pyqt.sourceforge.net/Docs/PyQt4/installation.html|offset|length|161166|这可能会有更多帮助，它在教程/逐步设置格式中更有帮助：|161167|http://movingthelamppost.com/blog/html/2013/07/12/installing_pyqt____because_it_s_too_good_for_pip_or_easy_install_.html|161168|entityMap|0|LINK|mutability|MUTABLE|url|1^0|0|0|1K|0|0|0|0|3C|1|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@$D|T|E|U|1|V]]|A|$]]|$1|F|3|G|5|6|7|W|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|X|8|@]|9|@$D|Y|E|Z|1|10]]|A|$]]|$1|J|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|C]]|Q|$5|M|N|O|A|$P|I]]]]

It looks like you may have to do a bit of manual installation for PyQt4.

<a href="http://pyqt.sourceforge.net/Docs/PyQt4/installation.html">http://pyqt.sourceforge.net/Docs/PyQt4/installation.html</a>

This might help a bit more, it's a bit more in a tutorial/set-by-step format:

<a href="http://movingthelamppost.com/blog/html/2013/07/12/installing_pyqt____because_it_s_too_good_for_pip_or_easy_install_.html">http://movingthelamppost.com/blog/html/2013/07/12/installing_pyqt____because_it_s_too_good_for_pip_or_easy_install_.html</a>

blocks|key|2962170|text|使用当前最新的python+3.6.5|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2962171|pip3+install+PyQt5|code-block|syntax|javascript|2962172|工作正常|2962173|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|$]]

With current latest python 3.6.5 

<pre><code>pip3 install PyQt5
</code></pre>

works fine

blocks|key|160057|text|在PyQt5上试试这个：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|160058|pip+install+PyQt5|code-block|syntax|javascript|160059|使用PyQt4的operating+system+on+this链接。|offset|length|160060|或在this链接上下载适用于您的平台的受支持轮子。|160061|否则，请使用windows可执行文件安装程序的this链接。希望这能帮助您安装PyQt4或PyQt5。|160062|entityMap|0|LINK|mutability|MUTABLE|url|https://riverbankcomputing.com/software/pyqt/download|1|https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4|2|https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/^0|0|0|S|4|0|0|2|4|1|0|N|4|2|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|12|8|@]|9|@$I|13|J|14|1|15]]|A|$]]|$1|K|3|L|5|6|7|16|8|@]|9|@$I|17|J|18|1|19]]|A|$]]|$1|M|3|N|5|6|7|1A|8|@]|9|@$I|1B|J|1C|1|1D]]|A|$]]|$1|O|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]|W|$5|R|S|T|A|$U|X]]|Y|$5|R|S|T|A|$U|Z]]]]

Try this for PyQt5:

<pre><code>pip install PyQt5
</code></pre>

Use the operating system on <a href="https://riverbankcomputing.com/software/pyqt/download" rel="noreferrer">this</a> link for PyQt4.

Or download the supported wheel for your platform on <a href="https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4" rel="noreferrer">this</a> link.

Else use <a href="https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/" rel="noreferrer">this</a> link for the windows executable installer.
Hopefully this helps you to install either PyQt4 or PyQt5.

blocks|key|2962062|text|对于Windows：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2962063|请从此处下载相应版本的PyQt4：|2962064|2962065|https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4|unordered-list-item|offset|length|2962066|2962067|并使用pip安装它(例如Python3.6+-+64bit)|2962068|+pip+install+PyQt4‑4.11.4‑cp36‑cp36m‑win_amd64.whl+|code-block|syntax|javascript|2962069|entityMap|0|LINK|mutability|MUTABLE|url|https://www.lfd.uci.edu/%257Egohlke/pythonlibs/#pyqt4^0|0|0|0|0|1D|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Z|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|10|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|11|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|12|8|@]|9|@$H|13|I|14|1|15]]|A|$]]|$1|J|3|-4|5|6|7|16|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|17|8|@]|9|@]|A|$]]|$1|M|3|N|5|O|7|18|8|@]|9|@]|A|$P|Q]]|$1|R|3|-4|5|6|7|19|8|@]|9|@]|A|$]]]|S|$T|$5|U|V|W|A|$X|Y]]]]

<h3>For Windows:</h3>
download the appropriate version of the PyQt4 from here:
<ul>
<li><a href="https://www.lfd.uci.edu/%7Egohlke/pythonlibs/#pyqt4" rel="nofollow noreferrer">https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4</a></li>
</ul>
and install it using pip (example for Python3.6 - 64bit)
<pre><code> pip install PyQt4‑4.11.4‑cp36‑cp36m‑win_amd64.whl 
</code></pre>

blocks|key|158789|text|为Windows10和python+3.5%2B安装PyQt5。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|158790|pip安装PyQt5|158791|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|$]]

install PyQt5 for Windows 10 and python 3.5+.

pip install PyQt5

blocks|key|2962104|text|如果您在安装PyQt4时出现错误。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2962105|2962106|错误:+PyQt4-4.11.4-cp27-cp27m-win_amd64.whl不是此平台支持的轮子。|blockquote|2962107|2962108|2962109|我的系统类型是64位，但为了解决这个错误，我安装了32位windows系统的PyQt4，即PyQt4-4.11.4-cp27-cp27m-win32.whl+-+click+here+to+see+more+versions。|offset|length|2962110|​|2962111|📷|atomic|2962112|2962113|请根据您安装的PyQt4版本选择合适的python版本。|2962114|entityMap|0|LINK|mutability|MUTABLE|url|https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4|1|2|IMAGE|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/7c0aba40a8099e33cfda62b80eb0a904.jpeg|imageAlt^0|0|0|0|0|0|19|X|0|29|V|1|0|0|0|1|2|0|0|0^^$0|@$1|2|3|4|5|6|7|18|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|19|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1A|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|G|3|-4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|1D|8|@]|9|@$J|1E|K|1F|1|1G]|$J|1H|K|1I|1|1J]]|A|$]]|$1|L|3|M|5|6|7|1K|8|@]|9|@]|A|$]]|$1|N|3|O|5|P|7|1L|8|@]|9|@$J|1M|K|1N|1|1O]]|A|$]]|$1|Q|3|M|5|6|7|1P|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|T|3|-4|5|6|7|1R|8|@]|9|@]|A|$]]]|U|$V|$5|W|X|Y|A|$Z|10]]|11|$5|W|X|Y|A|$Z|10]]|12|$5|13|X|14|A|$15|16|17|-4]]]]

If you have error while installing PyQt4.

<blockquote>
 Error: PyQt4-4.11.4-cp27-cp27m-win_amd64.whl is not a supported wheel on this
 platform.
</blockquote>

My system type is 64 bit, But to solve this error I have installed PyQt4 of 32 bit windows system, i.e <a href="https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4" rel="nofollow noreferrer">PyQt4-4.11.4-cp27-cp27m-win32.whl</a> - <a href="https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyqt4" rel="nofollow noreferrer">click here to see more versions</a>.

<a href="https://i.stack.imgur.com/uzwkz.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/uzwkz.jpg" alt="enter image description here"></a>

Kindly select appropriate version of PyQt4 according to your installed python version.

blocks|key|161255|text|您还可以使用此命令安装PyQt5。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|161256|pip3+install+PyQt5|code-block|syntax|javascript|161257|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 also use this command to install PyQt5.

<pre><code>pip3 install PyQt5
</code></pre>

blocks|key|2749483|text|我正在使用PyCharm，并且能够安装PyQt5。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2749484|PyQt4，以及PyQt4Enhanced和windows_whl都安装失败了，我猜这是因为Qt4不再受支持。|2749485|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|$]]

I am using PyCharm, and was able to install PyQt5.

PyQt4, as well as PyQt4Enhanced and windows_whl both failed to install, I'm guessing that's because Qt4 is no longer supported.

blocks|key|160069|text|尝试使用python+3.6，|type|unstyled|depth|inlineStyleRanges|entityRanges|data|160070|然后安装sip|160071|然后按照@+pip+install+sip+https://stackoverflow.com/a/48078369/8352081提到的步骤进行操作|offset|length|style|CODE|160072|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/48078369/8352081^0|0|0|6|F|M|18|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|T|8|@$F|U|G|V|H|I]]|9|@$F|W|G|X|1|Y]]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]]]

Try using python 3.6,
then install sip
<code>pip install sip</code>
then follow the steps mentioned by @Jay <a href="https://stackoverflow.com/a/48078369/8352081">https://stackoverflow.com/a/48078369/8352081</a>

I'm using Python 3.4 on Windows. When I run a script, it complains

<pre><code>ImportError: No Module named 'PyQt4'
</code></pre>

So I tried to install it, but <code>pip install PyQt4</code> gives

<blockquote>
 Could not find any downloads that satisfy the requirement PyQt4
</blockquote>

although it does show up when I run <code>pip search PyQt4</code>. I tried to <code>pip install python-qt</code>, which installed successfully but that didn't solve the problem.

What am I doing wrong?

How to install PyQt4 on Windows using pip?

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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我在Windows上使用的是Python 3.4。当我运行脚本时，它会报错ImportError: No Module named 'PyQt4'所以我试着安装它，但是pip install PyQt4给出了找不到任何满足PyQt4要求的下载尽管它确实在我运行pip search PyQt4时显示出来。我尝试pip install python-qt，它安装成功，但没有解决问题。我做错了什么？

问如何使用pip在Windows上安装PyQt4？
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回答 14

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问如何使用pip在Windows上安装PyQt4？EN

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问如何使用pip在Windows上安装PyQt4？
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