updated dict unpacking

.gitignore

@@ -1,9 +1,8 @@
 *.py[co]
-
 .Python
 bin
 include
 lib
-
 dist
-*.egg-info
+*.egg-info
+.idea/

djbetty/__init__.py

@@ -1,3 +1,3 @@
-__version__ = "0.2.0"
+__version__ = "0.2.1"
 
-from .fields import ImageField  # noqa
+from .fields import ImageField  # noqa

djbetty/serializers.py

@@ -4,16 +4,22 @@
 class ImageFieldSerializer(serializers.Field):
 
     def to_representation(self, obj):
-        if obj is None or obj.id is None:
-            return None
-        data = {
-            "id": obj.id,
-        }
-        if obj.field.alt_field:
-            data["alt"] = obj.alt
-
-        if obj.field.caption_field:
-            data["caption"] = obj.caption
+        if isinstance(obj, dict):
+            data = {
+                "id": obj.get("id"),
+                "alt": obj.get("alt"),
+                "caption": obj.get("caption")
+            }
+        else:
+            if obj is None or obj.id is None:
+                return None
+            data = {
+                "id": obj.id,
+            }
+            if obj.field.alt_field:
+                data["alt"] = obj.alt
+            if obj.field.caption_field:
+                data["caption"] = obj.caption
         return data
 
     def to_internal_value(self, data):