Traceback (most recent call last):


 "/data/my-example/.venv/lib/python3.8/site-packages/prefect/client/client.py", line 799, in register

prefect.serialization.flow.FlowSchema().load(serialized_flow)


 "/data/my-example/.venv/lib/python3.8/site-packages/prefect/utilities/serialization.py", line 141, in load

return super().load(data, **kwargs)


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 727, in load

return self._do_load(


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 861, in _do_load

result = self._deserialize(


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 669, in _deserialize

value = self._call_and_store(


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 496, in _call_and_store

value = getter_func(data)


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 666, in <lambda>

getter = lambda val: field_obj.deserialize(


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/fields.py", line 356, in deserialize

output = self._deserialize(value, attr, data, **kwargs)


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/fields.py", line 611, in _deserialize

return self._load(value, data, partial=partial)


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/fields.py", line 594, in _load

valid_data = self.schema.load(value, unknown=self.unknown, partial=partial)


 "/data/my-example/.venv/lib/python3.8/site-packages/prefect/utilities/serialization.py", line 141, in load

return super().load(data, **kwargs)


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 727, in load

return self._do_load(


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 897, in _do_load

result = self._invoke_load_processors(


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 1095, in _invoke_load_processors

data = self._invoke_processors(


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 1222, in _invoke_processors

data = [processor(item, many=many, **kwargs) for item in data]


 "/data/my-example/.venv/lib/python3.8/site-packages/marshmallow/schema.py", line 1222, in <listcomp>

data = [processor(item, many=many, **kwargs) for item in data]


 "/data/my-example/.venv/lib/python3.8/site-packages/prefect/serialization/task.py", line 58, in create_object

task = super().create_object(data)
# type: ignore


 "/data/my-example/.venv/lib/python3.8/site-packages/prefect/utilities/serialization.py", line 164, in create_object

return object_class(**init_data)


 "/data/my-example/.venv/lib/python3.8/site-packages/prefect/core/task.py", line 157, in init

old_init(self, *args, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'description'

Traceback (most recent call last):


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/knack/cli.py", line 215, in invoke

cmd_result = self.invocation.execute(args)


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 659, in execute

raise ex


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 722, in _run_jobs_serially

results.append(self._run_job(expanded_arg, cmd_copy))


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 715, in _run_job

six.reraise(*sys.exc_info())


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/six.py", line 703, in reraise

raise value


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 693, in _run_job

result = cmd_copy(params)


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 330, in __call__

return self.handler(*args, **kwargs)


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/azure/cli/core/__init__.py", line 784, in default_command_handler

return op(**command_args)


 "/usr/local/Cellar/azure-cli/2.17.1/libexec/lib/python3.8/site-packages/azure/cli/command_modules/vm/custom.py", line 3276, in create_image_version

external_bearer_token = external_tokens[0][0] + ' ' + external_tokens[0][1]
TypeError: 'NoneType' object is not subscriptable
