from data_access import Listing from tqdm import tqdm listings = Listing.get_all_listings() recalculate_listings = [] for listing in listings: sqm = listing.sqm_ocr if sqm is None or sqm < 10 or sqm > 200: recalculate_listings.append(listing) for listing in tqdm(recalculate_listings): listing.calculate_sqm_ocr(recalculate=True)