16:04:56.504 | ERROR | Flow run 'savvy-coucal' - Encountered exception during execution: 1 validation error for ResultRecordMetadata JSON input should be string, bytes or bytearray [type=json_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.10/v/json_type Traceback (most recent call last): File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 764, in run_context yield self File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 1372, in run_flow_sync engine.call_flow_fn() File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 784, in call_flow_fn result = call_with_parameters(self.flow.fn, self.parameters) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/callables.py", line 208, in call_with_parameters return fn(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/toast.py", line 13, in my_flow print(store.read("91d711e947cc68b1693d49686d63f4a7")) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/results.py", line 644, in read return self._read(key=key, holder=holder, _sync=True) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/asyncutils.py", line 347, in coroutine_wrapper return run_coro_as_sync(ctx_call()) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/asyncutils.py", line 207, in run_coro_as_sync return call.result() ^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/_internal/concurrency/calls.py", line 329, in result return self.future.result(timeout=timeout) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/_internal/concurrency/calls.py", line 192, in result return self.__get_result() ^^^^^^^^^^^^^^^^^^^ File "/usr/lib64/python3.12/concurrent/futures/_base.py", line 401, in __get_result raise self._exception File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/_internal/concurrency/calls.py", line 402, in _run_async result = await coro ^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/asyncutils.py", line 188, in coroutine_wrapper return await task ^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/asyncutils.py", line 341, in ctx_call result = await async_fn(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/results.py", line 596, in _read metadata = ResultRecordMetadata.load_bytes(metadata_content) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/_result_records.py", line 71, in load_bytes return cls.model_validate_json(data) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/pydantic/main.py", line 656, in model_validate_json return cls.__pydantic_validator__.validate_json(json_data, strict=strict, context=context) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pydantic_core._pydantic_core.ValidationError: 1 validation error for ResultRecordMetadata JSON input should be string, bytes or bytearray [type=json_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.10/v/json_type 16:04:56.585 | ERROR | Flow run 'savvy-coucal' - Finished in state Failed('Flow run encountered an exception: ValidationError: 1 validation error for ResultRecordMetadata\n JSON input should be string, bytes or bytearray [type=json_type, input_value=None, input_type=NoneType]\n For further information visit https://errors.pydantic.dev/2.10/v/json_type') Traceback (most recent call last): File "/home/user/workspace/toast.py", line 16, in my_flow() File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flows.py", line 1648, in __call__ return run_flow( ^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 1529, in run_flow ret_val = run_flow_sync(**kwargs) ^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 1374, in run_flow_sync return engine.state if return_type == "state" else engine.result() ^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 349, in result raise self._raised File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 764, in run_context yield self File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 1372, in run_flow_sync engine.call_flow_fn() File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/flow_engine.py", line 784, in call_flow_fn result = call_with_parameters(self.flow.fn, self.parameters) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/callables.py", line 208, in call_with_parameters return fn(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/toast.py", line 13, in my_flow print(store.read("91d711e947cc68b1693d49686d63f4a7")) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/results.py", line 644, in read return self._read(key=key, holder=holder, _sync=True) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/asyncutils.py", line 347, in coroutine_wrapper return run_coro_as_sync(ctx_call()) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/asyncutils.py", line 207, in run_coro_as_sync return call.result() ^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/_internal/concurrency/calls.py", line 329, in result return self.future.result(timeout=timeout) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/_internal/concurrency/calls.py", line 192, in result return self.__get_result() ^^^^^^^^^^^^^^^^^^^ File "/usr/lib64/python3.12/concurrent/futures/_base.py", line 401, in __get_result raise self._exception File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/_internal/concurrency/calls.py", line 402, in _run_async result = await coro ^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/asyncutils.py", line 188, in coroutine_wrapper return await task ^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/utilities/asyncutils.py", line 341, in ctx_call result = await async_fn(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/results.py", line 596, in _read metadata = ResultRecordMetadata.load_bytes(metadata_content) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/prefect/_result_records.py", line 71, in load_bytes return cls.model_validate_json(data) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/user/workspace/venv/lib64/python3.12/site-packages/pydantic/main.py", line 656, in model_validate_json return cls.__pydantic_validator__.validate_json(json_data, strict=strict, context=context) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pydantic_core._pydantic_core.ValidationError: 1 validation error for ResultRecordMetadata JSON input should be string, bytes or bytearray [type=json_type, input_value=None, input_type=NoneType] For further information visit https://errors.pydantic.dev/2.10/v/json_type