This page explains how you can contribute to the development of statsmodels by submitting patches, statistical tests, new models, or examples.
statsmodels is developed on Github using the Git version control system.
Statsmodels is released under the Modified (3-clause) BSD license.
So you want to submit a patch to statsmodels?. Great news! Here are the steps you need to take.
Fork the statsmodels repository on Github.
Conversations about development take place on the statsmodels mailing list.