in utils/backfill.py [0:0]
def validate_date_range(self) -> None:
start_date = datetime.datetime.fromisoformat(self.start_date)
end_date = datetime.datetime.fromisoformat(self.end_date)
if start_date > end_date:
raise ValueError(
f"`start_date`={self.start_date} is greater than `end_date`={self.end_date}"
)