Tips On Solving The Error “ImportError: No module named ‘Cython’”

Have you ever been working on a project, and suddenly the dreaded error message pops up? The message “zsh: command not found: jest” can be pretty annoying. It’s even more annoying when you don’t know how to fix it. This is a common error that many people have encountered.

Don’t worry, this blog post can help! In this article, we’re going to talk about fixing this error. 

How To Fix The Error “ImportError: No module named ‘Cython’”

When attempting to import cythonize with Cython.Build, you may get the following error.

ImportError: No module named 'Cython'

Simply reinstall Cython using the command pip install Cython to resolve the “ImportError: No module named ‘Cython’” problem. The second option is to run pip3 install –upgrade cython to update Cython. The third way is to simply reinstall Cython and then install the Microsoft Visual C++ Build Tools, and your problem will be resolved.

Option 1: Reinstall Cython

Simply run the command to reinstall Cython.

pip install Cython

Option 2: Update Cython

With the following command, you need to upgrade Cython.

pip3 install --upgrade cython

Option 3: Reinstall Microsoft Visual C++ Build Tools

Simply reinstall Cython as well as the Microsoft Visual C++ Build Tools, and your error was fixed.


We hope you enjoyed our article on how to fix the error “zsh: command not found: jest”. We know that it can be frustrating when you encounter an error that you can’t seem to fix, but we are confident that you can get past it with a little bit of internet research. So what are you waiting for? Get back to coding!

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