This package provides additional functionality to the lmfit package. lmfit : https://dx.doi.org/10.5281/zenodo.11813 Its main purpose is to add GUI elements by pyqt graphics. It also provides an additional interface to create composite models with automatic naming schemes.
The package is for Python3.
The most simple way is to clone the repository and expand your (PYTHON)PATH variable to the base directory. A Debian package is also available.