6 environment. So I imagine that just opencv-python isn't properly identified as a dependency when install camelot via pip. 假如离线安装 pip install … Deprecated since version 2. 6 in windows 10. 3. 4. 5. cv2는 OpenCV라는 이미지 처리 및 컴퓨터 비전 라이브러리의 Python 바인딩입니다. 关于离线pip install 库爆winErro[10061]的问题原因 使用了局域网，没有链接到网络## 1. typing. Jan 22, 2024 · We have now built opencv and opencv_contrib from source. pyd file in C:\Python27\Lib\site-packages as I saw in several tutorial videos and in my Python 2. typing as npt as the documentation shows, but I would like the simplicity of just importing the types that I want to use. pyd file at ~\AppData\Roaming\Python\Python37\site-packages\cv2. mat_wrapper import cv2. 假如离线安装 pip install … Oct 29, 2022 · pip install cv2 will fail because the package isn't named that. typing' I know I could simply write import numpy. mat_wrapper. When I run Python interpreter and write import cv2 it does import it. Dec 15, 2022 · ModuleNotFoundError: No module named ‘cv2’ That error implies python can’t find the . However, by following the steps outlined in this article, you can easily install the cv2 module in your Jupyter Notebook environment and start using it for your computer vision projects. 7, but the official installation instruction for tensorflow is python 3. you may need to type which python3 if python2 is installed I'm having trouble with the cv2 module, as I keep getting the following error: Traceback (most recent call last): File "<MyFilePath>", line 6, in <module> import cv2 ModuleNotFoundError: No module named 'cv2' Mar 12, 2024 · 在Python中，如果你尝试导入一个不存在的模块，你会得到一个 ModuleNotFoundError。错误消息 ‘No module named ‘cv2. 0. In Pycharm, I get the following message: ModuleNotFoundError: No module named 'cv2' I have installed opencv and the Project Sep 24, 2024 · None yet Development Code with agent mode No branches or pull requests Participants Aug 7, 2020 · I have created a python3. e IDLE when I type Jun 3, 2024 · ModuleNotFoundError: No module named 'cv2. They both fail with a similar error: %Run testFer. cv'; 'cv2' is not a package Sat Oct 05, 2019 10:11 am Nov 1, 2023 · ModuleNotFoundError: No module named ‘cv2’ my requirements. I’ve placed the DLLs from the build folder into all of the same above folders with no luck. typing'; 'cv2' is not a package While running tests to setup pygame, I got this error: c. Nov 17, 2025 · ModuleNotFoundError: No module named ‘ cv2 ’ 在安装opevn cv 时会出现ImportError: No module named cv2 的错误，找不到 cv2 的包。 这时候安装扩展包即可： pip install opencv - python Jun 24, 2022 · ModuleNotFoundError: No module named 'cv2' *OS : Windows 11 *Python Version : Python 3. # 2. pyd file, can you post the location of the cv2. waitKey(1) & 0xFF == ord('q'): break Oct 25, 2019 · Import cv2 working in terminal (after typing python3) but not in Pycharm. 链接网络 2. Oct 11, 2016 · 5 I had created my Anaconda environment and installed everything I needed, but when trying to import cv2, I always got the message "no module named cv2". mypy_plugin from the plugins section of your mypy configuration; if that surfaces new errors, please open an issue with a minimal reproducer. I've written a simple program from the python website and when I run the program, it says : ImportError: No module named cv2 import cv2 import Dec 12, 2024 · Everywhere I put it, it can’t be found. 0 imageio==2. I have done installing these codes already, Aug 26, 2023 · My commands to install are: pip install opencv-python pip install fer These worked. 1. 检查OpenCV是否已经安装. 2. Searching on that can get you to pip issue 9542 and cvxpy issue 1229 which explain what went wrong. Jul 9, 2024 · 本指南通过分步教学，提供一行`pip install`命令与验证代码，助您快速解决Python中‘No module named ‘cv2’’的`ModuleNotFoundError`错误，成功导入OpenCV。 ModuleNotFoundError: No module named 'cv2' What confuses me most is that it seems I've successfully installed OpenCV when I enter pkg-config opencv --cflags in terminal: Jul 10, 2023 · The cv2 module is an essential tool for computer vision projects, and encountering the “ImportError: No module named ‘cv2’” error can be frustrating. Mar 12, 2024 · 简介： 当遇到 'No module named 'cv2. when I write the following code in python 3: import cv2 It throws error: ModuleNotFoundError: No module named 'cv2' so I install opencv using pip or pip3: pip install opencv-python I got the following error: Collecting opencv-python ERROR: Could not find a version that Oct 5, 2019 · ModuleNotFoundError: No module named 'cv2. typing’’ 意味着你正在尝试导入OpenCV库中的一个不存在或未正确安装的模块。 Aug 16, 2022 · (cv46) build python3 -c "import cv2; print (cv2. . pyd ? I'm using conda env, and i already install all dependencies in a fresh env, but i still get the same error: ModuleNotFoundError: No module named 'cv2. The "No module named 'cv2'" error is encountered in python when we are trying to import the OpenCV library. Feb 26, 2021 · I've installed python and opencv by using the correct commands in the cmd, but when I type in 'import cv2' in a python then I get the error in visual studio code and I can't find any solution onlin Dec 19, 2018 · · Dec 19, 2018 13 import cv2 ModuleNotFoundError: No module named ‘cv2’ 機器學習練習生-1 環境建置 關於我那101件環境建置的莫名其妙 最簡單的openCV都出錯…. Have been at this for a few days with no successes other than being able to (seemingly) build OpenCV. Feb 4, 2024 · I've tried the workaround but now the error when importing partition_pdf is: ModuleNotFoundError: No module named 'cv2. 7 (default, Oct 22 2018, 11:32:17) [GCC 8. Finally, I noticed that my Anaconda environment didn't have cv2 installed, even with all I did. cv2 (old interface in old OpenCV versions was named as cv) is the name that OpenCV developers chose when they created the binding generators. pyd file is in C:\Python27\Lib\site-packages I have attached a screen shot which shows the modules in Python27 I have used pip install opencv-python. Make sure the python interpreter selected matches the path when you type which python in terminal. typing # Using casts to simplify for static typing testing purposes mat_like = cast (cv2. Learn how to use the OpenCV2 (cv2) function in your computer vision projects. Jul 23, 2025 · In this article we will see why it happens and how to fix it step by step. --- How to Resolve ImportError: No module named cv2 in Python If you're working with Python and encounter the "ImportError: No module named cv2" error, don’t worry. format(1 / (time. When I run the code from command prompt it says ModuleNotFoundError: No module named 'cv2'. Now, when I type import cv2 in my . I have already installed OpenCV using this command: pip install opencv-python But when I try to import cv2 using this: impor Nov 5, 2023 · C++ flags (Release): -fsigned-char -ffast-math -fno-finite-math-only -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough Jun 28, 2018 · I have run the application and have successfully installed it in C:\ drive and have also copied the cv2. I use Anaconda python 3. __version__)" Traceback (most recent call last): File "<string>", line 1, in <module> ModuleNotFoundError: No module named 'cv2' Feb 28, 2024 · 今回の内容 2月22日の猫の日にちなんでOpenCVを使用して猫の顔を判別するコードを書いていたのですが、実行しようとしていたところ、import cv2で詰まったので備忘メモとして残したいと思います。 今回使用したコードは以下にあります。 やりたかったこと Op Sep 23, 2020 · After following step by step, including "Build" for the ALL_BUILD and "INSTALL" it, I couldn't use the OpenCV in the terminal, by importing python Traceback (most recent call last): File "<stdin>", line 1, in <module> ModuleNotFoundError: No module named 'cv2' I also noticed that after obtaining OpenCV. No module named ‘xxx‘ 解决办法形如上图一样的报错均可解决。 # 1. Steps to reproduce import cv2. Aug 9, 2023 · module 'cv2. that's a side effect you should announce to whoever runs the script. typing'' 错误时，通常意味着OpenCV库没有被正确安装或存在版本不兼容的问题。 本文将介绍如何解决这个问题，包括检查安装、更新OpenCV库和确保代码与库版本兼容。 在Python中，如果你尝试导入一个不存在的模块，你会得到一个 ModuleNotFoundError。 错误 消息 ‘No module named ‘cv2. 0] on linux Type "help", "copyright", "credit Dec 5, 2024 · Explore a comprehensive guide on resolving the ImportError for cv2 in OpenCV, especially on Raspberry Pi and other systems. cp38-win_amd64. 7. 19. Jan 11, 2019 · If you are certain that you have installed CV2, but you run into "no module named cv2" when running Python, that means CV2 was installed to a different Python version from the one you are running. py Traceback (most recent call last): File “N:\python\testFer. txt has opencv, why Im getting error opencv-python numpy==1. Mar 9, 2013 · @MattDolly if you type ctrl+shift+p while in the IDE, you can then type "select: python interpreter". The important clue is RuntimeError: module compiled against API version 0xe but this version of numpy is 0xd. Mat, object ()) May 23, 2025 · 解决Python中"ModuleNotFoundError: No module named 'cv2'"错误，需安装OpenCV库。使用pip命令`pip install opencv-python`安装，验证安装可打印版本号。注意虚拟环境一致性、版本兼容性及系统权限问题，确保正确安装依赖库。 ModuleNotFoundError: No module named 'cv2' This must be a basic question but I can't find out what the problem is. 76`命令。 Jul 28, 2022 · The Python error "ModuleNotFoundError: No module named 'cv2'" occurs for multiple reasons: Not having the opencv-python package installed by running pip install opencv-python. 1 解决方法： 如果使用的是pycharm 则在终端输入：pip install cv2 ，注意是Terminal状态下 如果是其他环境，window+r 输入cmd 然后 pip install cv2 人以鱼不如授人以渔： Jan 18, 2022 · After successfully install OpenCV 4. Jul 7, 2025 · Q: Why the package and import are different (opencv-python vs. I also wouldn't recommend just starting a subprocess if an import doesn't exist. Even commands like “conda install opencv” or “conda install cv2” do not help. __version__)" Traceback (most recent call last): File "<string>", line 1, i Nov 4, 2024 · 文章浏览阅读10w+次，点赞127次，收藏181次。本文介绍了解决Python环境中因缺少cv2模块而引起的编译错误的方法。首先通过命令行使用pip安装opencv-python，若安装失败则更新pip版本再试。提供了标准的安装命令及国内镜像加速选项。 Thank you. Does anyone know the reason and how can I solve this problem? Jun 10, 2023 · mypy does not separate that concept and simply infers Any when type information is loss or unspecified. Dec 15, 2019 · frame, text, tl, cv2. FONT_HERSHEY_COMPLEX, 1, (0, 0, 0), 2) cv2. 3 Dec 11, 2025 · # "ModuleNotFoundError: No module named 'cv2' in Python" The Python "ModuleNotFoundError: No module named 'cv2'" occurs when we forgetto install the opencv-python module before importing it or install it in anincorrect environment. When I import cv2 in terminal,it raise a exception which says ModuleNotFoundError:No module named ‘cv2’,but it works in real python3. I reinstalled and followed Linda's tips, which didn't work. py" file, it seems to be the problem Mar 19, 2019 · 18 I also had this problem (Import Error: No module named numpy) but in my case it was a problem with my PATH variables in Mac OS X. dnn' has no attribute 'DictValue' #884 New issue Closed thepowerfuldeez. To fix this error: Mar 12, 2024 · 当遇到 'No module named 'cv2. Hi, i don't have the cv2. However when i import cv2 module it displayed no module named cv2 error. 0 *Pyenv Version: 3. typing模块未找到的错误，问题源于使用的opencv-python-headless包4. To solve the error, install the module by running thepip install opencv-python command. bin to the environment variable and verified that the path from cmd was working. So I tried to install in anaconda prompt, and I ins Jan 16, 2025 · 原因是：环境中缺少 cv2 的包，所以会出现 No module named 'cv2’ 的问题。 cv2 的包名并不叫 cv2 ，所以使用 pip install cv2 不能安装。 Oct 17, 2024 · Encountering no module named 'cv2'? This comprehensive guide offers a detailed solution, providing insights on installing OpenCV, fixing path issues, and resolving dependency conflicts. 8. 6. typing. How can I fix this? When I import cv2 at cmd it seems to be working (cmd screenshot) but when I used python at the visual studio 2019 it says "no module named cv2" visual studio screenshot. Jan 19, 2017 · Customer stories Events & webinars Ebooks & reports Business insights GitHub Skills Nov 17, 2021 · I used pyinstaller package labelme，and i have already installed opencv. Mar 18, 2015 · I have OpenCV and cv2 setup on my desktop, but I need to program on my laptop now (for mobile reasons). MatLike, object ()) mat = cast (cv2. 0] on linux Type "help", "copyright", "credit Jan 19, 2017 · Customer stories Events & webinars Ebooks & reports Business insights GitHub Skills Nov 17, 2021 · I used pyinstaller package labelme，and i have already installed opencv. mypy_plugin entry-point is deprecated in favor of platform-agnostic static type inference. Apr 8, 2024 · The Python "ModuleNotFoundError: No module named 'cv2'" occurs when we forget to install the opencv-python module before importing it or install it in an incorrect environment. pyd files in my computer and i copy and paste to site-packages directory Apr 8, 2024 · The Python ModuleNotFoundError: No module named 'cv2' occurs when we forget to install the `opencv-python` module before importing it or install it. 76版本，使用`pipinstall--upgrade--force-reinstallopencv-python-headless==4. May 22, 2024 · Only when I run my Python file, I encounter the following error: “ line 12, in import cv2 ModuleNotFoundError: No module named 'cv2 ” I have already uninstalled and reinstalled opencv, but the problem persists. 11/site-packages/cv2/typing/ init. time() - stime))) if cv2. pyd? Jul 23, 2025 · Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more. After packaged，when i execute it , i got the error： ModuleNotFoundError: No module named 'cv2' How to solve it ? You must have the module you want to import installed in your Python environment. Unfortunately, even though I have OpenCV downloaded, when I try to import cv2, it gives me the error message, "ImportError: No module named cv2". _setup_backend(backend) Traceback (most recent call last): File "<python-input-10>", line 1, in <module> c Aug 12, 2013 · If you experienced this error ModuleNotFoundError: No module named 'matplotlib' while using venv and running pytest like me, you can check by comparing the path type pytest shows and the path type python shows. Learn how to install Pandas with this tutorial! May 20, 2019 · If you aren't using a virtualenv, the cv2 module is imported successfully nano@nano:~$ python3 Python 3. Sep 6, 2023 · @Scikud I was able to fix it by removing line 169 from "/Users/apple/anaconda3/lib/python3. it works on Pycharm but Apr 1, 2019 · Also check that there is a cv2 . To resolve this error, you need to run the pip install opencv-python command. py file, I get the following error: ModuleNotFoundError: No module named 'cv2' I’m a beginner, so I really don’t know what is happening. 5 face_alignment==1. How can I fix this? Please help. Aug 12, 2017 · However, my default pip installed the opencv-python module under the python36 folder. My python code is: import cv2 from fer import FER Both imports do not work. Jul 4, 2023 · The issue is related to the build scripts in this repository, to the pre-built binaries or is a feature request (such as "please enable this additional dependency") I think so, assuming it isn't an issue with how OpenCV generates the module. Module Not Found Error: No module named ‘cv2’ 報錯內容 參考此篇講解 I'm trying to import cv2 on Jupyter notebook but I get this error: ImportError: No module named cv2 I am frustrated because I'm working on this simple issue for hours now. This post will detail a variety of effective methods to troubleshoot and resolve the “No module named cv2” error, specifically tailored for users of OpenCV, particularly those working on a Raspberry Pi or similar systems. I had made an earlier edit to my . To solve the error, install the module by running the pip install opencv-python command. The module is installed. cv2' Hi i am also face same issue can u help me May 11, 2023 · I installed opencv library by using "pip install opencv-python", but ModuleNotFoundError: No module named 'cv2' error message came out. py”, line 1, in import cv2 ModuleNotFoundError: No module named ‘cv2 Aug 26, 2023 · My commands to install are: pip install opencv-python pip install fer These worked. Apr 7, 2024 · Hi all, I recently downloaded anaconda python in order to work on an opencv personal project. 1 解决方法： 1. 5 $ python3 -c "import cv2; print (cv2. imshow('frame', frame) print('FPS {:. Remove numpy. - I’ll get a list of modules, functions, etc… No module named 'cv2' error troubleshooting Procedure to install python libraries using command prompt. The cv2. May 13, 2024 · python 파일 실행시에 다음과 같은에러가 나왔다면 어떻게 해야 하나?ModuleNotFoundError: No module named 'cv2' 오류 해석:이 오류는 Python 파일을 실행하려고 할 때 'cv2'라는 모듈을 찾을 수 없다는 것을 의미합니다. 在执行Python项目时，遇到因cv2. 3: The numpy. Then i searched and find cv2. However, when I try to import cv2 from python, I get a Module&hellip; Jun 29, 2017 · Hello stackoverflow community :) I need some help. 해결 방법: opencv Nov 25, 2019 · I can't access import cv2 anymore. Exact error: ModuleNotFoundError: No module named 'cv2'more Dec 5, 2024 · Many developers have faced the issue of being unable to import the cv2 module when attempting to use OpenCV. The ModuleNotFoundError: No module named 'cv2' arises because the installable package providing the cv2 module is actually named opencv-python. 10. bash_profile file that caused the paths for my Anaconda installation (and others) to not be added properly. 해결 방법: opencv Mar 21, 2023 · The typing module was added in Python 3. After that, I added . I tried to reinstall python and reinstall OpenCV but it's not working too. Learn how to navigate and overcome this error, ensuring a smooth transition to utilizing the powerful features of OpenCV in your projects. typing' #5 Closed MoonMoon82 opened this issue on Jun 3, 2024 · 1 comment MoonMoon82 commented on Jun 3, 2024 • May 26, 2023 · In summary, the ModuleNotFoundError: No module named 'cv2' occurs when the opencv-python library is not installed in your Python environment. cv2)? A: It's easier for users to understand opencv-python than cv2 and it makes it easier to find the package with search engines. 5 Shell i. Mar 21, 2023 · The typing module was added in Python 3. typing'' 错误时，通常意味着OpenCV库没有被正确安装或存在版本不兼容的问题。本文将介绍如何解决这个问题，包括检查安装、更新OpenCV库和确保代码与库版本兼容。 When I run Python interpreter and write import cv2 it does import it. Dec 10, 2024 · 解决Python开发中遇到的“ModuleNotFoundError: No module named 'cv2'”错误，需确保OpenCV库已正确安装。使用pip install opencv-python命令安装，并注意环境管理和版本兼容性。 The ModuleNotFoundError: No module named 'cv2' in Python indicates that the interpreter cannot find the 'cv2' module. The most likely cause is that you didn't install cv2 in the environment where you are running your code. py”, line 1, in import cv2 ModuleNotFoundError: No module named ‘cv2 May 2, 2019 · The default python version in Jetson Nano is 2. This error specifies that the Python interpreter cannot find the OpenCV module in the current environment. 23. 5 from sources, the Python3 bindings is broken: $ pkg-config --modversion opencv4 4. Mar 26, 2019 · I am a beginner at computers. 1f}'. Here are some things that can Mar 1, 2022 · ModuleNotfoundError: No module named 'cv2' I am on windows 10, python 3. typing’’ 意味着你正在尝试导入OpenCV库中的一个不存在或未正确安装的模块。 这个问题可能有以下几个原因： OpenCV库没有被安装。 安装了OpenCV，但版本不兼容。 安装过程中出现了问题，导致某些模块没有正确安装。 下面是一些解决这个问题的方法： 1. 5 so you'll have to find a backport of it (I think there's one on PyPI) if you want to use it in 3. I was able to do a pip install opencv-python and once that completed, import of camelot worked fine. Therefore, I just had to change the project interpreter to point to the python installed in python36 folder and it worked. 74版本。 解决办法是升级该包至4. 6 virtual environment. No module named ‘cv2‘ 报错原因 环境下没有安装cv2库 类似的报错 都是缺少引号下的库 ## 2. I installed opencv using pip install opencv-contrib-python, where it installed successfully. Apr 16, 2021 · ModuleNotFoundError: No module named 'numpy. I do get type hints in PyCharm when I start typing cv2. sln, I do not have the "binding" folder So, I was trying a few hand-tracking codes, with the code "import cv2" but all of the codes ended up saying ModuleNotFoundError: No module named 'cv2'. 1 Anyone with a hint on how to get rid of this error? Jun 27, 2025 · 五、总结 ModuleNotFoundError: No module named 'cv2' 通常是因为OpenCV库未安装或安装不正确。 通过使用pip安装、升级pip、使用Conda或手动安装等方法，你可以轻松解决这个问题。 如果你在安装过程中遇到其他问题，欢迎在评论区留言讨论。 Feb 7, 2024 · I can copy the test plugin and successfully import cv2, but when I include the code for my plugin that imports cv2, the plugin itself fails to instantiate saying the is no module named (name of the plugin).