在正确的地方保持我的信号。在django py文件

based on the documentation i was reading from django site, It seems like signals.py in the app folder is a good place to start with, but the problem am facing is that when I create signals for pre_save and I try to import the class from model, it conflicts with the import operation for task in model. see my code belowbased on the documentation i was reading from d