Fixes dtype serialization

JyotinderSingh · JyotinderSingh · commit 6b45f052b58d · 2025-08-24T08:29:06.000+05:30
diff --git a/keras_hub/src/models/backbone.py b/keras_hub/src/models/backbone.py
@@ -100,7 +100,7 @@ def get_config(self):
             if len(policy_map) > 0:
                 dtype = policy_map
 
-        config.update({"dtype": dtype})
+        config.update({"dtype": keras.dtype_policies.serialize(dtype)})
         return config
 
     @classmethod
