have you recently upgraded or re-installed maya LT? if it's having problems with python then my best guess would be that it's a problem with the UV unwrap tools as they use python. Have you checked if the DLL is actually on your machine?
Every time I boot up Maya 2018 LT and try to open a scene I get a pop up about a fatal error which crashes maya. i then try to open my scene by clicking on it directly but I get a pop up telling me that I'm missing something called python27.dll. I don't know what that is, where it usually goes or how to fix it. Maya was…
Don't have a solution, but suggest adding the software name in your title. You're more likely to get answers from people familiar with Maya, if you include Maya in the title. Hope this helps you. https://polycount.com/discussion/63361/information-about-polycount-new-member-introductions/p1#use