

You can check in Python Package Index (PyPI) that all packages have a minimum version of Python to function properly. The main reason for this error is that you are using an older version of python that is not compatible with the package you want to install or upgrade. Causes of the "legacy-install-failure" error This error is common for users that are using Python2 or an older version of Python 3. The error means that the package you are trying to install or upgrade requires a newer version of Python.

To fix it you need to update your Package Manager or the Python version in your system.

This error occurs because of compatibility issues when you try to install a python package using pip install command. What is "legacy-install-failure" error in python? In this article, we will discuss the cause of the error and provide different solutions that can resolve the Legacy install failure error in python. Note: This error originates from a subprocess, and is likely not a problem with pip.
