image storing to database

my project is to store the images to database after classified them

but when i process it storethe  images first time in folder but second time it not store thedata to data base

model.py

class Addhars(models.Model):

    name = models.CharField(max_length=64)
    images = models.ImageField(upload_to='Addhar')
    process_id = models.ForeignKey(process_number, on_delete=models.CASCADE)

    def __str__(self):
        return self.name

views. py

images = request.FILES.getlist('Images')

imageInfo = Addhars(process_id=process_number.objects.latest('process'), name='addhar card',
                    images=images[i])
imageInfo.save()

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