fix

core/apps/shared/serializers/tour_plan.py

@@ -10,4 +10,18 @@ class TourPlanSerializer(serializers.ModelSerializer):
         model = TourPlan
         fields = [
             'id', 'place_name', 'longitude', 'latitude', 'location_send', 'created_at'
-        ]
+        ]
+
+
+class TourPlanUpdateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = TourPlan
+        fields = [
+            'longitude', 'latitude'
+        ]
+
+    def update(self, instance, validated_data):
+        instance.longitude = validated_data.get('longitude', instance.longitude)
+        instance.latitude = validated_data.get('latitude', instance.latitude)
+        instance.save()
+        return instance