import datetime
from django.db import models
from django.utils import timezone
class Question(models.Model):
question_text = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')
def __str__(self):
return self.question_text
def was_published_recently(self):
return self.pub_date >= timezone.now() - datetime.timedelta(days=1)
其中
return self.pub_date >= timezone.now() - datetime.timedelta(days=1)
这句中self.pub_date存在问题
Expected type 'timedelta', got 'DateTimeField' instead 14
这是怎么回事?怎么解决?