runtime error

Exit code: 1. Reason: ", line 42, in wrapped_app await app(scope, receive, sender) File "/usr/local/lib/python3.10/site-packages/starlette/routing.py", line 73, in app response = await f(request) File "/usr/local/lib/python3.10/site-packages/fastapi/routing.py", line 301, in app raw_response = await run_endpoint_function( File "/usr/local/lib/python3.10/site-packages/fastapi/routing.py", line 212, in run_endpoint_function return await dependant.call(**values) File "/usr/local/lib/python3.10/site-packages/gradio/routes.py", line 1525, in startup_events await app.get_blocks().run_extra_startup_events() File "/usr/local/lib/python3.10/site-packages/gradio/blocks.py", line 3015, in run_extra_startup_events await startup_event() File "/usr/local/lib/python3.10/site-packages/gradio/helpers.py", line 469, in _start_caching await self.cache() File "/usr/local/lib/python3.10/site-packages/gradio/helpers.py", line 535, in cache prediction = await self.root_block.process_api( File "/usr/local/lib/python3.10/site-packages/gradio/blocks.py", line 2137, in process_api result = await self.call_function( File "/usr/local/lib/python3.10/site-packages/gradio/blocks.py", line 1663, in call_function prediction = await anyio.to_thread.run_sync( # type: ignore File "/usr/local/lib/python3.10/site-packages/anyio/to_thread.py", line 56, in run_sync return await get_async_backend().run_sync_in_worker_thread( File "/usr/local/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 2470, in run_sync_in_worker_thread return await future File "/usr/local/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 967, in run result = context.run(func, *args) File "/usr/local/lib/python3.10/site-packages/gradio/utils.py", line 890, in wrapper response = f(*args, **kwargs) File "/home/user/app/models/lancros_interpolation.py", line 6, in upsample_lancros new_w, new_h = int(w * scale), int(h * scale) TypeError: unsupported operand type(s) for *: 'int' and 'NoneType'

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