Error requesting brain scan

[valdr]

I installed this skill on an Ubuntu 16.04/64 computer, and attempted to run a "brain scan":

• DEBUG - {"type": "recognizer_loop:utterance", "data": {"lang": "en-us", "utterances": ["brain scan"]}, "context": null}
• DEBUG - {"type": "skill.converse.request", "data": {"lang": "en-us", "skill_id": 7920932972851018044, "utterances": ["brain scan"]}, "context": null}
• DEBUG - {"type": "skill.converse.response", "data": {"skill_id": 7920932972851018044, "result": false}, "context": null}
  mycroft.skills.intent_service - ERROR -
  Traceback (most recent call last):
  File "/home/bokkie/programming/Github/MyCroft/mycroft-core/mycroft/skills/intent_service.py", line 239, in handle_utterance
  context_manager=self.context_manager))
  StopIteration
• DEBUG - {"type": "intent_failure", "data": {"lang": "en-us", "utterance": "brain scan"}, "context": null}
  mycroft.skills.padatious_service - DEBUG - Padatious fallback attempt: brain scan
  mycroft.skills.core - INFO - Exception in fallback: max() arg is an empty sequence
  WolframAlphaSkill - DEBUG - WolframAlpha fallback attempt: brain scan
  WolframAlphaSkill - DEBUG - Non-question, ignoring: brain scan
  mycroft.skills.core - WARNING - No fallback could handle intent.
• DEBUG - {"type": "complete_intent_failure", "data": {}, "context": null}