AttributeError: type object 'Product' has no attribute '_meta'

My Models.py looks like this : 

from django.db import models

# Create your models here.

class Product(models.Model):

item_name = models.CharField(max_length=100)

item_price = models.IntegerField()

item_image = models.ImageField()

class Meta:

ordering = ['item_name']

I am getting this error : AttributeError: type object 'Product' has no attribute '_meta'       

                on giving any commands to the terminal.

pls help

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