class_docstr: A predicate used to negate another predicate. 
class_docstr_tok: ["A","predicate","used","to","negate","another","predicate","."]
code: def get_fields(self):
      return self._predicate.get_fields()
  
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_negate obj's underlying member method code with example usage: obj.get_fields() and returns: self