class_docstr: Test if predicate_field value is in inclusion_values set 
class_docstr_tok: ["Test","if","predicate_field","value","is","in","inclusion_values","set"]
code: def get_fields(self):
      return {self._predicate_field}
  
imports: import abc
  import collections.abc
  import hashlib
  import numpy
  import six
  import sys
label_desc: Use image node_id 2 for calling the in_set obj's underlying member method code with example usage: obj.get_fields() and returns: unknown