Attributeerror: module ‘mistune’ has no attribute ‘blockgrammar’

In this article, we will show you how to solve the error attributeerror: module ‘mistune’ has no attribute ‘blockgrammar’ in Python. This error occurs due to discordance among different Mistune library versions.

What is Python?

Python is one of the most popular programming languages. It is used for developing a wide range of applications. It is a high-level programming language that is usually used by developers nowadays due to its flexibility.

Returning to our issue, we must take a few actions to fix this error. So, without further ado, let’s move on to our “how to fix this error” tutorial.

How to solve “module ‘mistune’ has no attribute ‘blockgrammar’” in Python

Here’s how to resolve the error message stating attributeerror: module ‘mistune’ has no attribute ‘blockgrammar’ in Python.

  1. Uninstall all versions of Mistune.

    Resolving the error attributeerror: module ‘mistune’ has no attribute ‘blockgrammar’ is an easy task. All you have to do is install the correct version of Mistune.

    But before that, uninstall all the mistune versions installed in your system first. To do so, open your command prompt, then enter the command:

    pip uninstall mistune

  2. Install mistune.

    After uninstalling all versions of Mistune, install the correct version. To do so, first know which version of Mistune your web application requires. For example, it requires Mistune version 0.8.4. Install it using the command:

    pip install mistune==0.8.4

  3. Restart your application.

    Restart your application once the installation is complete for the alteration to take effect.


In conclusion, the error attributeerror: module ‘mistune’ has no attribute ‘blockgrammar’ can be easily solved by installing the correct version of mistune that your application requires.

By following the guide above, there’s no doubt that you’ll be able to resolve this error quickly.

We hope you’ve learned a lot from this. If you have any questions or suggestions, please leave a comment below, and for more Python tutorials, visit our website.

Thank you for reading!

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