How to use the pyhive.exc.ProgrammingError function in PyHive

def escape_item(self, item):
        if item is None:
            return 'NULL'
        elif isinstance(item, (int, float)):
            return self.escape_number(item)
        elif isinstance(item, basestring):
            return self.escape_string(item)
        elif isinstance(item, collections.Iterable):
            return self.escape_sequence(item)
        elif isinstance(item, datetime.datetime):
            return self.escape_datetime(item, self._DATETIME_FORMAT)
        elif isinstance(item, datetime.date):
            return self.escape_datetime(item, self._DATE_FORMAT)
        else:
            raise exc.ProgrammingError("Unsupported object {}".format(item))

description = [c for c in cur.description]
                    if previous_description and previous_description != description:
                        message = '''The statements are producing different descriptions:
                                     Current: {}
                                     Previous: {}'''.format(repr(description),
                                                            repr(previous_description))
                        raise ValueError(message)
                    elif not previous_description:
                        previous_description = description
                        yield description
                    try:
                        # DB API 2 raises when no results are returned
                        # we're silencing here as some statements in the list
                        # may be `SET` or DDL
                        yield from cur
                    except ProgrammingError:
                        self.log.debug("get_results returned no records")

def fetchone(self):
        """Fetch the next row of a query result set, returning a single sequence, or ``None`` when
        no more data is available.

        An :py:class:`~pyhive.exc.Error` (or subclass) exception is raised if the previous call to
        :py:meth:`execute` did not produce any result set or no call was issued yet.
        """
        if self._state == self._STATE_NONE:
            raise exc.ProgrammingError("No query yet")

        # Sleep until we're done or we have some data to return
        self._fetch_while(lambda: not self._data and self._state != self._STATE_FINISHED)

        if not self._data:
            return None
        else:
            self._rownumber += 1
            return self._data.popleft()