"""Minimal repro: can Python catch the Tf threading-violation error at all?"""
import omni.usd
from pxr import UsdPhysics
import isaacsim.core.experimental.utils.app as app_utils

omni.usd.get_context().open_stage("/home/dasha/robozon-sorter/scene/plow_cell_90_45_test.usd")
await app_utils.update_app_async(steps=30)
stage = omni.usd.get_context().get_stage()

print("attempting Scene.Define with bare except:")
try:
    scene = UsdPhysics.Scene.Define(stage, "/World/PhysicsScene").GetPrim()
    print("SUCCESS, no exception")
except:
    import traceback
    print("CAUGHT something:")
    traceback.print_exc()
print("after try/except block, script continues")