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When users run the code, they face this error: “qt.qpa.plugin: Could not find the Qt platform plugin “cocoa” in python“.
It is one popular problem shared by all developers. So, what exactly is this, and how can it be fixed? We’ll go over everything with you.
When Does The “qt.qpa.plugin: Could not find the Qt platform plugin “cocoa” in python” Happen?
You are trying to use CV2 and read an image, but you get the following error like this.
qt.qpa.plugin: Could not find the Qt platform plugin "cocoa" in ""
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
In another case, you successfully wrote a small app that works perfectly on the Windows 8.1 laptop. And you installed XCode and Qt on your MacBook and copied the project folder there.
The app compiles fine on the Mac, but when you try to run it through Qt Creator, you get the above error again.
You have read that the tool macdeployqt is required when deploying the app to other PCs. But shouldn’t your application run without macdeployqt if you run it directly in Qt Creator?
You are running MacOS X 10.14 with Qt 5.11.3, and Xcode 10 and the MacOSX SDK 10.13 are properly installed and configured (at least it compiles with this SDK and without any error).
Some Basic Solutions For ”qt.qpa.plugin: Could not find the Qt platform plugin “cocoa” in python”
Method 1: Use the latest version of openCV
In Python, a library of Python bindings which is designed to handle issues with computer vision is called OpenCV. Python is a general-purpose programming language created by Guido van Rossum. It quickly gained popularity largely due to its ease of use and readable code. The programmer can express ideas in less code without lessening readability.
Therefore, you can use the most recent version of openCV to solve your error “qt.qpa.plugin: Could not find the Qt platform plugin “cocoa” in python” and it works flawlessly. Use this command.
pip install opencv-python==4.5.3.56
Method 2: Install the qt5
There is no need to do anything, let’s run this command to install Qt5, and your problem ”qt.qpa.plugin: Could not find the Qt platform plugin “cocoa” in python” will be resolved. (Ubuntu users only.)
sudo apt-get install qt5-default
Although the above methods are very simple, their efficiencies are very enormous. They will give you unbelievable results. Your error will be completely resolved and your program will run well after you execute them. So, what are you waiting without applying them for your problem? Let’s follow them to get your desired result.
Conclusion
In short, the method depicted in the figure above has proven to be the most useful for the error “qt.qpa.plugin: Could not find the Qt platform plugin “cocoa” in python“.
In addition, we have a big group where everyone is always willing to help. Finally, we wish you a wonderful session full of inventive code solutions.
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