def __iadd__(self, other):
        """In-place addition to this String field

        :other: TODO
        :returns: TODO

        """
        if isinstance(other, String):
            self._pfp__value += other._pfp__value
        else:
            self._pfp__value += PYSTR(other)
        return self
def __iadd__ ( self , other ) : if isinstance ( other , String ) : self . _pfp__value += other . _pfp__value else : self . _pfp__value += PYSTR ( other ) return self
In-place addition to this String field

        :other: TODO
        :returns: TODO