MIT License

This Python package (py-twas / pytwas) is a reimplementation of the
MetaXcan / PrediXcan transcriptome-wide association study software
(https://github.com/hakyimlab/MetaXcan) and is released under the same
MIT license as the original.

The original MetaXcan software was developed by the Hae Kyung Im lab
(hakyimlab) and collaborators; see Barbeira et al., "Exploring the
phenotypic consequences of tissue specific gene expression variation
inferred from GWAS summary statistics", Nature Communications 9, 1825
(2018).

Copyright (c) 2018 The MetaXcan / PrediXcan authors (Hakyim lab, original software)
Copyright (c) 2026 py-twas authors (Python reimplementation)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
