Traceback (most recent call last):


 "/opt/anaconda3/bin/papermill", line 10, in <module>

sys.exit(papermill())


 "/opt/anaconda3/lib/python3.7/site-packages/click/core.py", line 764, in __call__

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


 "/opt/anaconda3/lib/python3.7/site-packages/click/core.py", line 717, in main

rv = self.invoke(ctx)


 "/opt/anaconda3/lib/python3.7/site-packages/click/core.py", line 956, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/opt/anaconda3/lib/python3.7/site-packages/click/core.py", line 555, in invoke

return callback(*args, **kwargs)


 "/opt/anaconda3/lib/python3.7/site-packages/papermill/cli.py", line 165, in papermill

cwd=cwd,


 "/opt/anaconda3/lib/python3.7/site-packages/papermill/execute.py", line 93, in execute_notebook

start_timeout=start_timeout,


 "/opt/anaconda3/lib/python3.7/site-packages/papermill/engines.py", line 57, in execute_notebook_with_engine

return self.get_engine(engine_name).execute_notebook(nb, kernel_name, **kwargs)


 "/opt/anaconda3/lib/python3.7/site-packages/papermill/engines.py", line 309, in execute_notebook

nb = cls.execute_managed_notebook(nb_man, kernel_name, log_output=log_output, **kwargs)


 "/opt/anaconda3/lib/python3.7/site-packages/papermill/engines.py", line 365, in execute_managed_notebook

preprocessor.preprocess(nb_man, kwargs)


 "/opt/anaconda3/lib/python3.7/site-packages/papermill/preprocess.py", line 24, in preprocess

self.set_widgets_metadata()
AttributeError: 'PapermillExecutePreprocessor' object has no attribute 'set_widgets_metadata'

Traceback (most recent call last):


 "/opt/my-program/lib/python2.7/site-packages/celery/worker/worker.py", line 203, in start

self.blueprint.start(self)


 "/opt/my-program/lib/python2.7/site-packages/celery/bootsteps.py", line 119, in start

step.start(parent)


 "/opt/my-program/lib/python2.7/site-packages/celery/bootsteps.py", line 370, in start

return self.obj.start()


 "/opt/my-program/lib/python2.7/site-packages/celery/worker/consumer/consumer.py", line 318, in start

blueprint.start(self)


 "/opt/my-program/lib/python2.7/site-packages/celery/bootsteps.py", line 119, in start

step.start(parent)


 "/opt/my-program/lib/python2.7/site-packages/celery/worker/pidbox.py", line 50, in start

self.node.channel = c.connection.channel()


 "/opt/my-program/lib/python2.7/site-packages/kombu/connection.py", line 266, in channel

chan = self.transport.create_channel(self.connection)


 "/opt/my-program/lib/python2.7/site-packages/kombu/transport/pyamqp.py", line 100, in create_channel

return connection.channel()


 "/opt/my-program/lib/python2.7/site-packages/amqp/connection.py", line 456, in channel

channel.open()


 "/opt/my-program/lib/python2.7/site-packages/amqp/channel.py", line 448, in open

spec.Channel.Open, 's', ('',), wait=spec.Channel.OpenOk,


 "/opt/my-program/lib/python2.7/site-packages/amqp/abstract_channel.py", line 73, in send_method

return self.wait(wait, returns_tuple=returns_tuple)


 "/opt/my-program/lib/python2.7/site-packages/amqp/abstract_channel.py", line 93, in wait

self.connection.drain_events(timeout=timeout)


 "/opt/my-program/lib/python2.7/site-packages/amqp/connection.py", line 464, in drain_events

return self.blocking_read(timeout)


 "/opt/my-program/lib/python2.7/site-packages/amqp/connection.py", line 469, in blocking_read

return self.on_inbound_frame(frame)


 "/opt/my-program/lib/python2.7/site-packages/amqp/method_framing.py", line 88, in on_frame

callback(channel, msg.frame_method, msg.frame_args, msg)


 "/opt/my-program/lib/python2.7/site-packages/amqp/connection.py", line 473, in on_inbound_method

method_sig, payload, content,


 "/opt/my-program/lib/python2.7/site-packages/amqp/abstract_channel.py", line 142, in dispatch_method

listener(*args)


 "/opt/my-program/lib/python2.7/site-packages/amqp/channel.py", line 1613, in _on_basic_deliver

fun(msg)


 "/opt/my-program/lib/python2.7/site-packages/kombu/messaging.py", line 623, in _receive_callback

return on_m(message) if on_m else self.receive(decoded, message)


 "/opt/my-program/lib/python2.7/site-packages/kombu/messaging.py", line 588, in receive

raise NotImplementedError('Consumer does not have any callbacks')
NotImplementedError: Consumer does not have any callbacks
