How to Find LoRa file

Hello,
from network import LoRA
How to find that LoRa file from libraries. I am unable to locate that file in libraries which is available on Github.

Have you installed the libraries?

pip install python-lora

I have downloaded the libraries from this link: https://github.com/pycom/pycom-libraries
But still could not find the LoRa library.

What did you do with the libraries after you downloaded them? Did you copy them to the lib folder on the flash drive of the Py board?

I want to read the LoRa file. I want to see how they define the methods, data and other thing.