<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def dataset(self):
 """A Tablib Dataset containing the row."""

        data = tablib.Dataset()
        data.headers = self.keys()

        row = _reduce_datetimes(self.values())
        data.append(row)

        return data