sorry, if this is not the proper place, but I thought it could be useful for some in the HEP community.
Our bachelor student Max Welsch has written a so-called NNFlow framework which allows to read-in ROOT NTuples by converting them to a Numpy array and then use them in Google Tensorflow.
The NNFlow framework is still early work but so far working fine and a
simple example is provided in the existing documentation.
Here is the link to the framework:
Marco A. Harrendorf for the KIT CMS ttH working group