defaultdict(<function define_labels.<locals>.<lambda> at 0x7f04f4257380>, {'ref': {'x': 'time', 'y': 'velocity'}, 'obd': {'x': 'time', 'y': 'velocity'}, 'dyno': {'x': 'time', 'y': 'velocity'}})
defaultdict(<function define_labels.<locals>.<lambda> at 0x7f04f4257380>, {'ref': {'x': 'time', 'y': 'velocity'}, 'obd': {'x': 'time', 'y': 'velocity'}, 'dyno': {'x': 'time', 'y': 'velocity'}})