def get(self): # preparing query status = request.args.getlist("status") allPets = [] for stat in status: if (not Util._isValidStatus(stat)): return app.config["INVALID_STATUS"], 400 pets = Pet.objects(status=stat) allPets.extend(pets) # prepare result for response petsList = [] for pet in allPets: pet = Util._formatPetToJson(pet) petsList.append(pet) return petsList, 200 pass