Solving the pyLDAvis .show Function Missing .css File Error in Jupyter Notebook

Learn how to fix the FileNotFoundError in `pyLDAvis` when using the `.show` function in Jupyter Notebook with a simple version change. --- This video is based on the question https://stackoverflow.com/q/66080712/ asked by the user 'zxcisnoias' ( https://stackoverflow.com/u/13062745/ ) and on the answer https://stackoverflow.com/a/66237193/ provided by the user 'jwang421' ( https://stackoverflow.com/u/15161919/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: pyLDAvis .show function asks for missing .css file in Jupyter notebook Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- How to Fix the Missing .css File Error in pyLDAvis in Jupyter Notebook When working with data visualization in Python, pyLDAvis is a popular choice for visualizing topic models. However, you might encounter an annoying issue when running the .show() function in a Jupyter Notebook. This problem can lead to a FileNotFoundError, particularly complaining about a missing .css file. Here’s how to tackle this issue step by step. The Problem You might have executed the following lines of code: [[See Video to Reveal this Text or Code Snippet]] However, upon running the pyLDAvis.show() command, you were greeted with an error message similar to this: [[See Video to Reveal this Text or Code Snippet]] This error indicates that the visualization tool is attempting to fetch a missing .css file from a URL, which may no longer be accessible. Let’s explore how to solve this problem effectively. The Solution 1. Specify the Correct Version of pyLDAvis A quick fix for this issue is to ensure that you are using a compatible version of pyLDAvis. The version 2.1.2 has proven to work perfectly in scenarios similar to yours. Here’s how you can do this: [[See Video to Reveal this Text or Code Snippet]] Running this command in your Jupyter Notebook will downgrade or install the specified version if it’s not already present. 2. Use pyLDAvis.display() Instead of pyLDAvis.show() Once you have the correct version installed, the next step is to modify how you display your visualization. Instead of using .show(), switch to the .display() function which is more reliable. Here's how to execute this: [[See Video to Reveal this Text or Code Snippet]] Conclusion By following the steps outlined above, you should be able to resolve the FileNotFoundError related to pyLDAvis. This not only fixes the issue but also ensures that you can generate stunning visualizations of your topic models without any hiccups. Always remember to check the package versions and opt for the recommended functions to avoid such errors in the future. Happy visualizing!