Fix 500 error when save gallery

api/v1/serializers/mixins.py

@@ -170,15 +170,16 @@ class DispatchContentMixin(object):
                     g.save()
                     if 'images' in cdata:
                         for image in cdata['images']:
-                            if 'id' in image and image['id']:
-                                gi = GalleryImage.objects.get(id=image['id'])
-                                gi.img = ImageObject.objects.get(id=image['img'])
-                                gi.save()
-                            else:
-                                gi = GalleryImage.objects.create(
-                                    gallery=g,
-                                    img=ImageObject.objects.get(id=image['img'])
-                                )
+                            if 'img' in image and image['img']:
+                                if 'id' in image and image['id']:
+                                    gi = GalleryImage.objects.get(id=image['id'])
+                                    gi.img = ImageObject.objects.get(id=image['img'])
+                                    gi.save()
+                                else:
+                                    gi = GalleryImage.objects.create(
+                                        gallery=g,
+                                        img=ImageObject.objects.get(id=image['img'])
+                                    )
                 else:
                     g = Gallery(
                         position=cdata['position'],
@@ -190,15 +191,16 @@ class DispatchContentMixin(object):
                     g.save()
                     if 'images' in cdata:
                         for image in cdata['images']:
-                            if 'id' in image and image['id']:
-                                gi = GalleryImage.objects.get(id=image['id'])
-                                gi.img = ImageObject.objects.get(id=image['img'])
-                                gi.save()
-                            else:
-                                gi = GalleryImage.objects.create(
-                                    gallery=g,
-                                    img=ImageObject.objects.get(id=image['img'])
-                                )
+                            if 'img' in image and image['img']:
+                                if 'id' in image and image['id']:
+                                    gi = GalleryImage.objects.get(id=image['id'])
+                                    gi.img = ImageObject.objects.get(id=image['img'])
+                                    gi.save()
+                                else:
+                                    gi = GalleryImage.objects.create(
+                                        gallery=g,
+                                        img=ImageObject.objects.get(id=image['img'])
+                                    )
 
 
 class DispatchMaterialMixin(object):