ecomp | compositing manager for e17 based on compiz

I made a GUI Application which looks like this:

The ones marked red are Tkinter Text widgets and the ones marked yellow are Tkinter Entry widgets

After taking user input, the data is to be added to a PSD file and then rendered as an image. But Lets say, after taking the following data as input:

It renders the following Photoshop file:

How do I fix this issue that it does not recognize "\n" properly and hence the rendered document is rendered useless.

Here is the code which deals with converting of the accepted user data into strings and then adding it to Photoshop template and then rendering it: