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  1. Contents
  2. Problem
  3. Solution

ERROR: No matching distribution found for

Problem

You receive the error ERROR: No matching distribution found for when you deploy an app on Streamlit Community Cloud.

Solution

This error occurs when you deploy an app on Streamlit Community Cloud and have one or more of the following issues with your Python dependencies in your requirements file:

  1. The package is part of the Python Standard Library. E.g. You will see ERROR: No matching distribution found for base64 if you include base64 in your requirements file, as it is part of the Python Standard Library. The solution is to not include the package in your requirements file. Only include packages in your requirements file that are not distributed with a standard Python installation.
  2. The package name in your requirements file is misspelled. Double-check the package name before including it in your requirements file.
  3. The package does not support the operating system on which your Streamlit app is running. E.g. You see ERROR: No matching distribution found for pywin32 while deploying to Streamlit Community Cloud. The pywin32 module provides access to many of the Windows APIs from Python. Apps deployed to Streamlit Community Cloud are executed in a Linux environment. As such, pywin32 fails to install on non-Windows systems, including on Streamlit Community Cloud. The solution is to either exclude pywin32 from your requirements file, or deploy your app on a cloud service offering Windows machines.

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