code: def to_dict(self):
          
          try:
              fulfillment = self.fulfillment.serialize_uri()
          except (TypeError, AttributeError, ASN1EncodeError, ASN1DecodeError):
              fulfillment = _fulfillment_to_details(self.fulfillment)
  
          try:
              # NOTE: `self.fulfills` can be `None` and that's fine
              fulfills = self.fulfills.to_dict()
          except AttributeError:
              fulfills = None
  
          input_ = {
              'owners_before': self.owners_before,
              'fulfills': fulfills,
              'fulfillment': fulfillment,
          }
          return input_
docs: Transforms the object to a Python dictionary.
  
              Note:
                  If an Input hasn't been signed yet, this method returns a
                  dictionary representation.
  
              Returns:
                  dict: The Input as an alternative serialization format.