Matches a minimum decimal value

def _match_maximum_decimal(self, match_key, decimal_value, match):
        """Matches a minimum decimal value"""
        if decimal_value is None:
            raise NullArgument()
        if match is None:
            match = True
        if match:
            ltegt = '$lte'
        else:
            ltegt = '$gt'
        if match_key in self._query_terms:
            self._query_terms[match_key][ltegt] = decimal_value
        else:
            self._query_terms[match_key] = {ltegt: decimal_value}