AttributeError: module ‘h11’ has no attribute ‘event’ error occurs when an object does not have the ‘event’ attribute or method being called on it.
Here are two ways to fix the error:
- Ensure that the ‘event’ attribute is part of the ‘h11’ module
- Installing ‘h11’ module
Causes of the error
- Version incompatibility
- Incorrect import statement
- Typo or misspelling
- Module conflict
Flowchart
Solution 1: Ensure that the ‘event’ attribute is part of the ‘h11’
Check the documentation to ensure that the ‘event’ attribute is part of the ‘h11’ module in the latest version. You need to verify the documentation for the ‘h11’ module to verify.
Another solution to the problem is to reinstall the httpcore in version 0.15.
pip install --force-reinstall httpcore==0.15
You can also use the below series of commands to resolve the AttributeError: module ‘h11’ has no attribute ‘event’ error.
cd stable-diffusion-webui
source venv/bin/activate
pip install --force-reinstall httpcore==0.15
Solution 2: Install the ‘h11’ module
Install the ‘h11’ module using this command: pip install h11.
If the module is already installed, you have to check if it is installed in a different location than expected by the interpreter and adjust the module import statement in your code accordingly.
Bonus solution: Update the ‘h11’ Package
If you are using an old version of the ‘h11’ module, you can update it like this:
pip install –upgrade h11
That’s it!
Krunal Lathiya is a seasoned Computer Science expert with over eight years in the tech industry. He boasts deep knowledge in Data Science and Machine Learning. Versed in Python, JavaScript, PHP, R, and Golang. Skilled in frameworks like Angular and React and platforms such as Node.js. His expertise spans both front-end and back-end development. His proficiency in the Python language stands as a testament to his versatility and commitment to the craft.