I am trying to create package for distribution of app. settled with [pyinstaller](http://www.pyinstaller.org/) for packaging. found [this post](https://shanetully.com/2013/08/cross-platform-deployment-of-python-applications-with-pyinstaller/) helpful read on [using spec file](https://pyinstaller.readthedocs.io/en/stable/spec-files.html#adding-files-to-the-bundle) from official pyinstaller docs