Evaluator 2200

InvalidSubmission:
Traceback (most recent call last):
  File "experiment_manager.py", line 512, in run_episode
    r: MsgReceived = await loop.run_in_executor(executor, f)
  File "/usr/local/lib/python3.8/concurrent/futures/thread.py", line 57, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/local/lib/python3.8/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 133, in write_topic_and_expect
    ob: MsgReceived = self.read_one(expect_topic=expect, timeout=timeout)
  File "/usr/local/lib/python3.8/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 216, in read_one
    msgs = read_reply(self.fpout, timeout=timeout, waiting_for=waiting_for, nickname=self.nickname,)
  File "/usr/local/lib/python3.8/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 299, in read_reply
    others = read_until_over(fpout, timeout=timeout, nickname=nickname)
  File "/usr/local/lib/python3.8/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 327, in read_until_over
    raise RemoteNodeAborted(m)
zuper_nodes.structures.RemoteNodeAborted: External node "ego" aborted:

error in ego |Exception while handling a message on topic "get_commands".
             |
             || Traceback (most recent call last):
             ||   File "/usr/local/lib/python3.8/site-packages/zuper_nodes_wrapper/wrapper.py", line 331, in loop
             ||     handle_message_node(parsed, receiver0, context0)
             ||   File "/usr/local/lib/python3.8/site-packages/zuper_nodes_wrapper/wrapper.py", line 486, in handle_message_node
             ||     call_if_fun_exists(agent, expect_fn, data=ob, context=context, timing=timing)
             ||   File "/usr/local/lib/python3.8/site-packages/zuper_nodes_wrapper/utils.py", line 21, in call_if_fun_exists
             ||     f(**kwargs)
             ||   File "solution.py", line 68, in on_received_get_commands
             ||     velocity, omega = self.compute_action(self.current_image)
             ||   File "solution.py", line 63, in compute_action
             ||     observation = self.preprocessor.toTensor(observation).to(self._device)
             ||   File "/workspace/wrappers.py", line 23, in toTensor
             ||     return self.compose_obs(obs)
             ||   File "/usr/local/lib/python3.8/site-packages/torchvision/transforms/transforms.py", line 67, in __call__
             ||     img = t(img)
             ||   File "/usr/local/lib/python3.8/site-packages/torch/nn/modules/module.py", line 727, in _call_impl
             ||     result = self.forward(*input, **kwargs)
             ||   File "/usr/local/lib/python3.8/site-packages/torchvision/transforms/transforms.py", line 226, in forward
             ||     return F.normalize(tensor, self.mean, self.std, self.inplace)
             ||   File "/usr/local/lib/python3.8/site-packages/torchvision/transforms/functional.py", line 284, in normalize
             ||     tensor.sub_(mean).div_(std)
             || 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/python3.8/site-packages/duckietown_challenges/cie_concrete.py", line 678, in scoring_context
    yield cie
  File "experiment_manager.py", line 655, in go
    wrap(cie)
  File "experiment_manager.py", line 640, in wrap
    asyncio.run(main(cie, logdir, attempts), debug=True)
  File "/usr/local/lib/python3.8/asyncio/runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "/usr/local/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete
    return future.result()
  File "experiment_manager.py", line 253, in main
    length_s = await run_episode(
  File "experiment_manager.py", line 516, in run_episode
    raise dc.InvalidSubmission(msg) from e
duckietown_challenges.exceptions.InvalidSubmission: Trouble with communication to the agent.