docstr: Returns a list of possible variable values
docstr_tok: ["Returns","a","list","of","possible","variable","values"]
code: def get_possible_values(self):
      """
      Returns a list of possible variable values
      """
      raise NotImplementedError()
  
imports: import numpy
  from copy import deepcopy
  from ..errors import InvalidConfigError
label_desc: Use image node_id 7 for calling the Variable obj's underlying member method code with example usage: obj.get_possible_values() without return types