code: def ingest_to_model(file, model, engine=None):
      
      if engine is None:
          engine = db.engine
      reader = csv.reader(file)
      columns = tuple('"{}"'.format(n) for n in next(reader))
      postgres_copy.copy_from(
          file, model, engine, columns=columns, format="csv", HEADER=False
      )
      fix_autoincrement(model.__table__.name)
docs: Load data from a CSV file handle into storage for a
      SQLAlchemy model class.