runtime error

Exit code: 1. Reason: line 734, in app await route.handle(scope, receive, send) File "/usr/local/lib/python3.10/site-packages/starlette/routing.py", line 288, in handle await self.app(scope, receive, send) File "/usr/local/lib/python3.10/site-packages/starlette/routing.py", line 76, in app await wrap_app_handling_exceptions(app, request)(scope, receive, send) File "/usr/local/lib/python3.10/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app raise exc File "/usr/local/lib/python3.10/site-packages/starlette/_exception_handler.py", 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 3037, 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 2156, in process_api data = await self.postprocess_data(block_fn, result["prediction"], state) File "/usr/local/lib/python3.10/site-packages/gradio/blocks.py", line 1940, in postprocess_data prediction_value = block.postprocess(prediction_value) File "/usr/local/lib/python3.10/site-packages/gradio/components/json_component.py", line 122, in postprocess orjson.dumps( TypeError: Dict key must be str

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