Python错误集锦：指定4.5.0版本安装OpenCV-Python提示无该安装包ERROR: No matching distribution found for opencv-python==4.5.0

原文链接：http://www.juzicode.com/archives/6450

 

错误提示：

指定4.5.0版本安装OpenCV-Python提示无该安装包，ERROR: No matching distribution found for opencv-python==4.5.0

pip install opencv-python==4.5.0

==========运行结果：
CD:\Python\vPython38-image\Scripts>pip install opencv-python==4.5.0
Collecting opencv-python==4.5.0
  ERROR: Could not find a version that satisfies the requirement opencv-python==4.5.0 (from versions: 3.4.8.29, 3.4.9.31, 3.4.9.33, 3.4.10.35, 3.4.10.37, 3.4.11.39, 3.4.11.41, 3.4.11.43, 3.4.11.45, 3.4.13.47, 3.4.14.51, 3.4.14.53, 4.1.2.30, 4.2.0.32, 4.2.0.34, 4.3.0.36, 4.3.0.38, 4.4.0.40, 4.4.0.42, 4.4.0.44, 4.4.0.46, 4.5.1.48, 4.5.2.52, 4.5.2.54)
ERROR: No matching distribution found for opencv-python==4.5.0
WARNING: You are using pip version 19.2.3, however version 21.1.2 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

错误原因：

1、从错误提示看，没有4.5.0版本，可以选择相近的版本安装，比如安装4.5.2.52

 

解决方法：

1、指定4.5.2.52版本安装

pip install opencv-python==4.5.2.52

==========运行结果：
Installing collected packages: opencv-python
Successfully installed opencv-python-4.5.2.52

 

扩展内容：

1. Opencv-Python教程

 

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