Sunday, November 3, 2013

TypeError: can't subtract offset-naive and offset-aware datetimes

In poll app, I set Time_Zone='Asia/Kolkata' and USE_TZ=True in settings.py file.
In models.py file,

import datetime
from django.utils import timezone
from django.db import models

class Poll(models.Model):
    question = models.CharField(max_length=200)
    pub_date = models.DateTimeField('date published')
    def __unicode__(self):  
        return self.question
    def was_published_recently(self):
        return self.pub_date >= timezone.now() - datetime.timedelta(days=1)

class Choice(models.Model):
    poll = models.ForeignKey(Poll)
    choice_text = models.CharField(max_length=200)
    votes = models.IntegerField(default=0)
    def __unicode__(self):  
        return self.choice_text

when I try to run this code , I am getting the above error.I am using Windows 8. Please help!!!!!!

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