docstr: Reverses the color mapping if true. Has an effect only if in
  `line.color`is set to a numerical array. If true, `line.cmin`
  will correspond to the last color in the array and `line.cmax`
  will correspond to the first color.
  
  The 'reversescale' property must be specified as a bool
  (either True, or False)
  
  Returns
  -------
  bool
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code: def reversescale(self):
      """
      Reverses the color mapping if true. Has an effect only if in
      `line.color`is set to a numerical array. If true, `line.cmin`
      will correspond to the last color in the array and `line.cmax`
      will correspond to the first color.
  
      The 'reversescale' property must be specified as a bool
      (either True, or False)
  
      Returns
      -------
      bool
      """
      return self["reversescale"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 21 for calling the Line obj's underlying member method code with example usage: obj.reversescale() and returns: self