As part of the series of samples apps for configuring IS-IS that we started check out inter-area examples for IPv4 and IPv6 routing at:
As always, make sure you review the README file for instructions on how to use these apps. You'll find it at: https://github.com/CiscoDevNet/ydk-py-samples/tree/master/samples/basic
We also pushed recently a sample app for IS-IS-TE (TE extensions for IS-IS). Same location mentioned above.