docstr: Determines whether or not the error bars have the same length
  in both direction (top/bottom for vertical bars, left/right for
  horizontal bars.
  
  The 'symmetric' property must be specified as a bool
  (either True, or False)
  
  Returns
  -------
  bool
docstr_tok: ["Determines","whether","or","not","the","error","bars","have","the","same","length","in","both","direction","(","top\/bottom","for","vertical","bars",",","left\/right","for","horizontal","bars",".","The","'symmetric","'","property","must","be","specified","as","a","bool","(","either","True",",","or","False",")","Returns","--","--","--","-","bool"]
code: def symmetric(self):
      """
      Determines whether or not the error bars have the same length
      in both direction (top/bottom for vertical bars, left/right for
      horizontal bars.
  
      The 'symmetric' property must be specified as a bool
      (either True, or False)
  
      Returns
      -------
      bool
      """
      return self["symmetric"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 13 for calling the ErrorX obj's underlying member method code with example usage: obj.symmetric() and returns: self