Исправления

kv/routers/payment.py

@@ -41,7 +41,7 @@ async def get_receipt_calculate(request: schemas.RecieptCalculateInit, db: Sessi
     return crud.PaymentViewSet.get_receipt_calculate(db, request)
 
 
-@router.post('/save_receipt')
+@router.post('/save_receipt', response_model=List[schemas.ReceiptSaveSerializer])
 async def save_receipt(request: schemas.ReceiptSaveInit, db: Session = Depends(get_db)):
     return crud.PaymentViewSet.save_receipt(db, request)