Fix Python – Have the same README both in Markdown and reStructuredText

I have a project hosted on GitHub. For this I have written my README using the Markdown syntax in order to have it nicely formatted on GitHub.
As my project is in Python I also plan to upload it to PyPi. The syntax used for READMEs on PyPi is reStructuredText.
I would like to avoid having to handle two READMEs containing roughly the same content;….