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I am getting a problem in django serialization Here is my model for the state class State(models.Model): class Translation(translation.Translation): name = models.CharField(max_length=64) capital = models.ForeignKey('City', related_name="state_capital", null=True) country = models.ForeignKey(Country, related_name="state_country", null=True) latitude = models.DecimalField(max_digits=9, decimal_places=6, default=Decimal("0.0")) longitude = models.DecimalField(max_digits=9, decimal_places=6, default=Decimal("0.0")) code = models.CharField(max_length=2) Based on county_id i am filtering the states name and tried to convert in json format so that i can update the select box . But I am getting while doing this . <django.utils.functional.__proxy__ object at 0x7feaac2761d0> is not JSON serializable Here is my views . def get_getstate(request): catid = request.GET['catid'] get_related_subcategory = State.objects.filter(country_id = catid) json_models = serializers.serialize("json", get_related_subcategory) return HttpResponse(json_models, mimetype="application/javascript") Please help me outto solve this error . Update I also tried like this from django.core.serializers.json import Serializer as JSONSerializer import decimal import json class DecimalEncoder(json.JSONEncoder): def default(self, obj): if isinstance(obj, decimal.Decimal): return '%.2f' % obj # Display Decimal obj as float return json.JSONEncoder.default(self, obj) class DecimalSerializer(JSONSerializer): def end_serialization(self): self.options.pop('stream', None) self.options.pop('fields', None) json.dump(self.objects, self.stream, cls=DecimalEncoder, **self.options) With this view <

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