iota/transaction/creation.py
def tag(self):
        # type: () -> Tag
        """
        Determines the most relevant tag for the bundle.
        """
        for txn in reversed(self):  # type: ProposedTransaction
            if txn.tag:
                return txn.tag

        return Tag(b'')
def tag(self):
        # type: () -> Tag
        """
        Determines the most relevant tag for the bundle.
        """
        for txn in reversed(self):  # type: ProposedTransaction
            if txn.tag:
                return txn.tag

        return Tag(b'')
Determines the most relevant tag for the bundle.