Update handler.py

handler.py

@@ -30,8 +30,8 @@ class EndpointHandler():
             image_embedding = self.model.encode_image(image)
         # Convert embeddings to lists of floats
         serializable_results = {
-            'text_embedding': text_embedding.tolist() if isinstance(text_embedding, np.ndarray) else text_embedding,
-            'image_embedding': image_embedding.tolist() if isinstance(image_embedding, np.ndarray) else image_embedding
+            'text_embedding': (text_embedding.tolist() if isinstance(text_embedding, np.ndarray) else text_embedding) if text_embedding is not None else [],
+            'image_embedding': (image_embedding.tolist() if isinstance(image_embedding, np.ndarray) else image_embedding) if image_embeddingis not None else []
         }
 
         return serializable_results