def value_from_object(self, obj):
		value = super(JSONAttribute, self).value_from_object(obj)
		if isinstance(self.field_template, (models.DateField, models.DateTimeField)):
			try:
				value = self.field_template.to_python(value)
			except ValidationError:
				value = None
		return value
(:class:`basestring`) The MIME type of the image
dataset/ETHPy150Open ithinksw/philo/philo/models/fields/entities.py/JSONAttribute.value_from_object--crossover with--dataset/ETHPy150Open dahlia/wand/wand/image.py/Image.mimetype