Troubleshooting ImportError: - Fixing Cannot Open Shared Object File Error

If you've encountered the "ImportError: cannot open shared object file" error while running your Python application, don't worry, you're not alone. This error typically occurs when a required shared library is missing or not installed correctly.

In this guide, we'll walk you through the steps to fix this error and get your Python application up and running smoothly.

Step 1: Check for the missing library

The first step in troubleshooting this error is to check if the missing library is installed on your system. In this case, the missing library is "".

To check if the library is installed, open a terminal window and run the following command:

ldconfig -p | grep

If the library is installed, you should see its location listed in the output.

If the library is not installed, you can install it by running the following command:

sudo apt-get install libsm6

Step 2: Update the library cache

After installing the missing library, you need to update the library cache so that your system can find it. To do this, run the following command:

sudo ldconfig

Step 3: Test your Python application

Now that you've installed the missing library and updated the library cache, you can test your Python application to see if the error has been resolved.

If the error persists, try restarting your terminal window or IDE to ensure that the updated library cache is being used.


Q1: What is

A1: is a shared library that provides support for X11 Session Management protocols.

Q2: Why am I getting the "ImportError:" error?

A2: This error occurs when a required shared library is missing or not installed correctly.

Q3: Can I install on a Windows system?

A3: No, is a Linux library and cannot be installed on a Windows system.

Q4: How do I find which package provides

A4: You can use the following command to find which package provides

apt-file search

Q5: Can I use a different version of instead of

A5: It depends on your application's requirements. However, it's generally recommended to use the version specified by your application to avoid compatibility issues.


In this guide, we've shown you how to fix the "ImportError: cannot open shared object file" error in Python by installing the missing library and updating the library cache. We hope that this guide has been helpful in resolving your issue. If you have any further questions or comments, feel free to leave them below.

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