I'm getting the following output when running the configs example from the readme:

Error: wasm error: unreachable
wasm stack trace:
        .$10486(i32,i32,i32,i32,i32)
        .$10772(i32,i32)
        .$10792(i32,i32,i32,i32,i32)
        .$10827(i32,i32) i32
        .$10846() i32
returned non-zero exit code: 1

I figured out that it is because it should in fact be a get_str call:

import extism

@extism.plugin_fn
def greet():
  user = extism.Config.get_str("user")
  extism.output_str(f"Hello, {user}!")

But I find the output of this mistake quite scary; I'm unsure if it is somehow possible to throw up something a bit friendlier when you try to access a non-existent method or var?