code: def __init__(self, lines, arrows, **kwargs):
      self.lines = lines
      self.arrows = arrows
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  from six.moves import xrange
  import numpy
  import matplotlib
  import matplotlib.cm
  import matplotlib.colors
  import matplotlib.collections
  import matplotlib.lines
  import matplotlib.patches
label_desc: Use image node_id 1 to create a new StreamplotSet object from inherited base classes: object with example: obj = StreamplotSet(lines, arrows)