Update app.py

app.py

@@ -312,7 +312,10 @@ def load_models_and_documents():
 
             unique_ids = []
             while len(unique_ids) < len(payload_docs):
-                unique_ids.append(uuid.uuid4().int)
+                new_id = uuid.uuid4()
+                while new_id.hex[0] == '0':
+                    new_id = uuid.uuid4()
+                unique_ids.append(new_id.int)
 
             ordered_ids = OrderedDict({ name: np.array(unique_ids) })
             np.savez_compressed(ids_path, ordered_ids)