Submission 4593

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/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 19, in call_if_fun_exists
               ||     f(**kwargs)
               ||   File "solution.py", line 52, in on_received_get_commands
               ||     pwm_left, pwm_right = self.compute_action(self.current_image)
               ||   File "solution.py", line 47, in compute_action
               ||     observation = self.preprocessor.toTensor(observation).to(self._device)
               ||   File "/workspace/wrappers.py", line 28, in toTensor
               ||     return self.compose_obs(obs)
               ||   File "/usr/local/lib/python3.7/site-packages/torchvision/transforms/transforms.py", line 70, in __call__
               ||     img = t(img)
               ||   File "/usr/local/lib/python3.7/site-packages/torchvision/transforms/transforms.py", line 175, in __call__
               ||     return F.normalize(tensor, self.mean, self.std, self.inplace)
               ||   File "/usr/local/lib/python3.7/site-packages/torchvision/transforms/functional.py", line 217, in normalize
               ||     tensor.sub_(mean[:, None, None]).div_(std[:, None, None])
               || RuntimeError: The size of tensor a (120) must match the size of tensor b (3) at non-singleton dimension 0
               ||

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.