docstr: Epsilon for face normals calculation avoids math issues arising
  from degenerate geometry.
  
  The 'facenormalsepsilon' property is a number and may be specified as:
    - An int or float in the interval [0, 1]
  
  Returns
  -------
  int|float
docstr_tok: ["Epsilon","for","face","normals","calculation","avoids","math","issues","arising","from","degenerate","geometry",".","The","'facenormalsepsilon","'","property","is","a","number","and","may","be","specified","as",":","-","An","int","or","float","in","the","interval","[","0",",","1","]","Returns","--","--","--","-","int|float"]
code: def facenormalsepsilon(self):
      """
      Epsilon for face normals calculation avoids math issues arising
      from degenerate geometry.
  
      The 'facenormalsepsilon' property is a number and may be specified as:
        - An int or float in the interval [0, 1]
  
      Returns
      -------
      int|float
      """
      return self["facenormalsepsilon"]
  
file_path: plotly.py/packages/python/plotly/plotly/graph_objs/isosurface/_lighting.py
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 5 for calling the Lighting obj's underlying member method code with example usage: obj.facenormalsepsilon() and returns: self