Submission 390

InvalidSubmission:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 486, in wrap_evaluator
    raise InvalidSubmission(out[SPECIAL_INVALID_SUBMISSION])
InvalidSubmission: Invalid solution:
Traceback (most recent call last):
  File "/workspace/src/duckietown-challenges/src/duckietown_challenges/cie_concrete.py", line 585, in wrap_solution
    solution.run(cis)
  File "./solution.py", line 89, in run
    raise InvalidSubmission(str(e))
InvalidSubmission: error loading <rosparam> tag: 
	'param' attribute must be set for non-dictionary values
XML is <rosparam command="load" file="$(find duckietown)/config/$(arg config)/$(arg pkg_name)/$(arg node_name)/$(arg param_file_name).yaml"/>