The docstring: """Return the resource value for a KEY given as string.""" claims it returns as a string however it returns a _tkinter.Tcl_Obj
which seems to lack __eq__/the ability to compare it to a string so something like this:

is_normal = radio_button.cget("state") == tk.NORMAL

Will always return false no matter what unless its wrapped in a str()

I propose either clarifying the docstr or returning as a str() wrapped obj but i presume that's a breaking change

Linked PRs

• gh-126008: Fix the type of return value for ttk.Widget.cget #126102
• gh-126008: Improve docstrings for Tkinter cget and configure methods #133303