Submission 4629

InvalidSubmission:
Traceback (most recent call last):
  File "experiment_manager.py", line 300, in run_episode
    agent.write_topic_and_expect_zero('observations', recv.data.observations)
  File "/usr/local/lib/python3.7/site-packages/zuper_nodes_wrapper/wrapper_outside.py", line 105, in write_topic_and_expect_zero
    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 "observations".
               |
               || 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 80, in on_received_observations
               ||     left_line = calculate_coordinates(frame, left_avg, left_avg2)
               || NameError: name 'calculate_coordinates' is not defined
               ||

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.