Job 30088

InvalidSubmission:
Traceback (most recent call last):
  File "experiment_manager.py", line 301, in run_episode
    r: MsgReceived = agent.write_topic_and_expect('get_commands', expect='commands')
  File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 96, in write_topic_and_expect
    ob: MsgReceived = self.read_one(expect_topic=expect, timeout=timeout)
  File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 177, in read_one
    nickname=self.nickname)
  File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 258, in read_reply
    others = read_until_over(fpout, timeout=timeout, nickname=nickname)
  File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 286, in read_until_over
    raise RemoteNodeAborted(m)
zuper_nodes.structures.RemoteNodeAborted: External node "agent" aborted:

error in agent |Exception while handling a message on topic "get_commands".
               |
               || Traceback (most recent call last):
               ||   File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/utils.py", line 19, in call_if_fun_exists
               ||     f(**kwargs)
               ||   File "solution.py", line 53, in on_received_get_commands
               ||     velocity, omega = self.compute_action(self.current_image)
               ||   File "solution.py", line 49, in compute_action
               ||     action = self.model_lf.predict(observation)
               ||   File "/workspace/lf_model.py", line 90, in predict
               ||     v_tensor = (1 - self.alpha) * self.prev_v + (self.alpha) * v_tensor
               || TypeError: unsupported operand type(s) for *: 'float' and 'NoneType'
               ||
               || The above exception was the direct cause of the following exception:
               ||
               || Traceback (most recent call last):
               ||   File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/wrapper.py", line 277, in loop
               ||     handle_message_node(parsed, receiver0, context0)
               ||   File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/wrapper.py", line 431, in handle_message_node
               ||     call_if_fun_exists(agent, expect_fn, data=ob, context=context, timing=timing)
               ||   File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/utils.py", line 22, in call_if_fun_exists
               ||     raise ZTypeError(msg, f=f, args=kwargs, argspec=a) from e
               || zuper_commons.types.exceptions.ZTypeError: Cannot call function <bound method PytorchRLTemplateAgent.on_received_get_commands of <__main__.PytorchRLTemplateAgent object at 0x7f93f8c2e6d0>>.
               || │       f: instance of method:
               || │          <bound method PytorchRLTemplateAgent.on_received_get_commands of <__main__.PytorchRLTemplateAgent object at 0x7f93f8c2e6d0>>
               || │    args: dict
               || │          │ context:
               || │          │ instance of ConcreteContext:
               || │          │ <zuper_nodes_wrapper.wrapper.ConcreteContext object at 0x7f92f38071d0>
               || │ argspec: <class 'inspect.FullArgSpec'>
               || │          #0 [`self`, `context`]
               || │          #1 None
               || │          #2 None
               || │          #3 None
               || │          #4 []
               || │          #5 None
               || │          #6 dict
               || │             │ context: <class 'zuper_nodes_wrapper.interface.Context'>
               ||

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/duckietown_challenges/cie_concrete.py", line 676, in scoring_context
    yield cie
  File "experiment_manager.py", line 446, in <module>
    wrap(cie)
  File "experiment_manager.py", line 434, in wrap
    main(cie, logdir, attempts)
  File "experiment_manager.py", line 138, in main
    physics_dt=config.physics_dt)
  File "experiment_manager.py", line 305, in run_episode
    raise dc.InvalidSubmission(msg) from e
duckietown_challenges.exceptions.InvalidSubmission: Trouble with communication to the agent.