code: def from_xdr_object(cls, op_xdr_object):
          
          if not op_xdr_object.sourceAccount:
              source = None
          else:
              source = encode_check(
                  'account', op_xdr_object.sourceAccount[0].ed25519).decode()
  
          bump_to = op_xdr_object.body.bumpSequenceOp.bumpTo
          return cls(source=source, bump_to=bump_to)
docs: Creates a :class:`BumpSequence` object from an XDR Operation
          object.