blocks|key|1911990|text|由于我在安装torch和torchvison时遇到了很多障碍，我并不愿意重新安装enviroment.Running+'conda+list‘torch和torchvison的版本，我发现它们并不是不兼容的，安装的两个包的版本是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1911991|+torchvision-0.5.0%2Bcu92-cp37-cp37m-win_amd64.whl
+torch-1.4.0%2Bcpu-cp37-cp37m-win_amd64.whl|code-block|syntax|javascript|1911992|我将torchvison的版本改为|1911993|+torchvision-0.5.0%2Bcpu-cp37-cp37m-win_amd64.whl|1911994|到目前为止，我已经解决了我的问题。注意:我的os和python的环境是相似的：|1911995|++Windows_X64
++python3.7|1911996|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

As I met lot of hurdles to install torch and torchvison ,I'm not reluctant to reinstall the enviroment.Running 'conda list' the version of torch and torchvison ,I found they are not incompitable,the versions of two packages installed are:

<pre><code> torchvision-0.5.0+cu92-cp37-cp37m-win_amd64.whl
 torch-1.4.0+cpu-cp37-cp37m-win_amd64.whl
</code></pre>

I change the version of torchvison to 

<pre><code> torchvision-0.5.0+cpu-cp37-cp37m-win_amd64.whl
</code></pre>

I have dealt with my proplem until now.
note： the enviroment of my os and python are fellowing：

<pre><code> Windows_X64
 python3.7
</code></pre>

blocks|key|1916167|text|我在Ubuntu+18.04上也遇到了同样的问题。将python升级到3.8并安装全新的torch和torchvision库对我来说很管用。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1916168|virtualenv+-p+python3.8+torch17
source+torch17/bin/activate
pip+install+cython+matplotlib+tqdm+scipy+ipython+ninja+yacs+opencv-python+ffmpeg+opencv-contrib-python+Pillow+scikit-image+scikit-learn+lmfit+imutils+pyyaml+jupyterlab==3
pip+install+torch==1.7.1%2Bcu101+torchvision==0.8.2%2Bcu101+torchaudio==0.7.2+-f+https://download.pytorch.org/whl/torch_stable.html|code-block|syntax|javascript|1916169|我尝试了一些pytorch+forums和github中讨论的解决方案，但没有帮助。|1916170|entityMap|0|LINK|mutability|MUTABLE|url|https://discuss.pytorch.org/t/runtimeerror-no-such-operator-torchvision-nms/73489|1|https://github.com/pytorch/vision/issues/1916^0|18|5|1E|B|0|0|6|E|0|L|6|1|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|11|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|12|8|@]|D|@$9|13|A|14|1|15]|$9|16|A|17|1|18]]|E|$]]|$1|M|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]|U|$5|P|Q|R|E|$S|V]]]]

I had the same problem on Ubuntu 18.04. Upgrading python to 3.8 and Installing fresh <code>torch</code> and <code>torchvision</code> libraries worked for me.
<pre><code>virtualenv -p python3.8 torch17
source torch17/bin/activate
pip install cython matplotlib tqdm scipy ipython ninja yacs opencv-python ffmpeg opencv-contrib-python Pillow scikit-image scikit-learn lmfit imutils pyyaml jupyterlab==3
pip install torch==1.7.1+cu101 torchvision==0.8.2+cu101 torchaudio==0.7.2 -f https://download.pytorch.org/whl/torch_stable.html
</code></pre>
I tried the solutions discussed in some <a href="https://discuss.pytorch.org/t/runtimeerror-no-such-operator-torchvision-nms/73489" rel="nofollow noreferrer">pytorch forums</a> and <a href="https://github.com/pytorch/vision/issues/1916" rel="nofollow noreferrer">github</a> but that did not help.

blocks|key|1911998|text|我在使用python+3.7、pytoch1.7.1和cuda11.1的Ubuntu+20.04上遇到了同样的问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1911999|请注意安装torchvision==0.8.2%2Bcu110而不是torchvision==0.8.2。只需根据您的系统更改相应的版本。|1912000|entityMap^0|4|A|F|B|R|8|10|C|0|5|O|W|I|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]|$9|M|A|N|B|C]|$9|O|A|P|B|C]|$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|X|8|@]|D|@]|E|$]]]|I|$]]

I met the same problem on <code>Ubuntu 20.04</code> using <code>python 3.7</code>， <code>pytoch1.7.1</code> &amp; <code>cuda11.1</code>.
Please pay attention to install <code>torchvision==0.8.2+cu110</code> rather than <code>torchvision==0.8.2</code>. Just change the corresponding version according to your system.

When I try to run yoloV3 detect,it happend the error 

<pre><code>op = torch._C._jit_get_operation(qualified_op_name)

RuntimeError: No such operator torchvision::nms
</code></pre>

Though this code is the source code of torchvision ,I try sevaral time to correct the code by the tips with failure.

No such operator torchvision::nms

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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当我尝试运行yoloV3 detect时，它发生了错误op = torch._C._jit_get_operation(qualified_op_name)RuntimeError: No such operator torchvision::nms虽然这段代码是torchvision的源代码，但我尝试了sevaral...

问没有这样的运算符torchvision::nms
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问没有这样的运算符torchvision::nmsEN