original_docstring: 
          If s is not a valid type for this object, an exception should
          be thrown. The validated object should be returned.
          
docstring: If s is not a valid type for this object, an exception should
  be thrown. The validated object should be returned.
docstring_tokens: If s is not a valid type for this object an exception should be thrown . The validated object should be returned .
code: def validate(self, s, instance, name):
          """
          If s is not a valid type for this object, an exception should
          be thrown. The validated object should be returned.
          """
          return s
code_tokens: def validate ( self , s , instance , name ) : return s
short_docstring: If s is not a valid type for this object, an exception should
  be thrown.
short_docstring_tokens: If s is not a valid type for this object an exception should be thrown .
comment: """
          If s is not a valid type for this object, an exception should
          be thrown. The validated object should be returned.
          """