fix update user data bug

apps/authentication/api/v1/serializers/serializer.py

@@ -97,6 +97,12 @@ class UserSerializer(serializers.ModelSerializer):
         extra_kwargs = {
             'password': {
                 'required': False
+            },
+            'username': {
+                'required': False
+            },
+            "national_code": {
+                'required': False
             }
         }
 
@@ -104,15 +110,16 @@ class UserSerializer(serializers.ModelSerializer):
         """ Custom output """
 
         representation = super().to_representation(instance)
-        if instance.bank_information.all():
-            representation['bank_account'] = BankAccountSerializer(
-                instance.bank_information.all(), many=True
-            ).data
+        if isinstance(instance, User):
+            if instance.bank_information.filter().exists():
+                representation['bank_account'] = BankAccountSerializer(
+                    instance.bank_information.all(), many=True
+                ).data
 
-        if instance.city:
-            representation['city_name'] = instance.city.name
-        if instance.province:
-            representation['province_name'] = instance.province.name
+            if instance.city:
+                representation['city_name'] = instance.city.name
+            if instance.province:
+                representation['province_name'] = instance.province.name
 
         return representation