# \#pip

**URL:** https://forum.opencv.org/tag/pip/381.md

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## [\[MinGW64 on Win11\]Failed to build OpenCV-Python-headless via pip install](https://forum.opencv.org/t/mingw64-on-win11-failed-to-build-opencv-python-headless-via-pip-install/24176)

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**Author:** [@UltraBlackCat](https://forum.opencv.org/u/UltraBlackCat)\
**Replies:** 4\
**Last updated:** [November 1, 2025, 2:14am UTC](https://forum.opencv.org/t/mingw64-on-win11-failed-to-build-opencv-python-headless-via-pip-install/24176 "2025-11-01T02:14:45Z")

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Mingw64 on Windows11 Python 3.12.12 \[GCC 15.2.0 64 bit (AMD64)\] on win32 MSYS2 Package ,mingw-w64-x86\_64-python-opencv goes very well with no trouble, However, I was encountered one issue: the import process takes an …

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## [No module named cv2 after installed the opencv-python](https://forum.opencv.org/t/no-module-named-cv2-after-installed-the-opencv-python/20700)

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**Author:** [@kk\_k](https://forum.opencv.org/u/kk_k)\
**Replies:** 3\
**Last updated:** [April 1, 2025, 1:05pm UTC](https://forum.opencv.org/t/no-module-named-cv2-after-installed-the-opencv-python/20700 "2025-04-01T13:05:38Z")

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I create a new env and “pip install opencv-python” in this env but when i try to import cv2 i still get i google a lot for this problem win11 vscode try python=3.7,3.8.3.10,3.11 Any kind of help is appreciated!

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## [Yolov3-Tiny Error with OpenCV version 4.6.0 related to readNet](https://forum.opencv.org/t/yolov3-tiny-error-with-opencv-version-4-6-0-related-to-readnet/18177)

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**Author:** [@Neel\_Dahake](https://forum.opencv.org/u/Neel_Dahake)\
**Replies:** 0\
**Last updated:** [July 5, 2024, 6:38pm UTC](https://forum.opencv.org/t/yolov3-tiny-error-with-opencv-version-4-6-0-related-to-readnet/18177 "2024-07-05T18:38:43Z")

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HI, Im currently working on an object detection project, I have a custom trained yolov3-tiny model that I want to put onto my raspberry pi 5 and detect the custom object. Im using opencv version 4.6.0 and when I run thi…

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## [Window.cpp:1255: error: (-2:Unspecified error) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Cocoa support](https://forum.opencv.org/t/window-cpp-error-2-unspecified-error-the-function-is-not-implemented-rebuild-the-library-with-windows-gtk-2-x-or-cocoa-support/14317)

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**Author:** [@Hanz\_Uchiha](https://forum.opencv.org/u/Hanz_Uchiha)\
**Replies:** 4\
**Last updated:** [August 22, 2023, 6:41am UTC](https://forum.opencv.org/t/window-cpp-error-2-unspecified-error-the-function-is-not-implemented-rebuild-the-library-with-windows-gtk-2-x-or-cocoa-support/14317 "2023-08-22T06:41:56Z")

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Hello. I am getting this error when I am running my code. Everything works with my code. I started having this problem when I ran Yolov5 for my project. I am currently using Yolov8 for my project and everything worked fi…