Update custom_utils.py

custom_utils.py

@@ -340,7 +340,7 @@ def get_millis_elapsed(db, collection, pipeline):
 
     print(explain_vector_search)
     
-    return explain_vector_search["explain"]["collectStats"]["allCollectorStats"]["millisElapsed"]
+    return explain_vector_search["explain"]["collectors"]["allCollectorStats"]["millisElapsed"]
 
 def get_text_embedding(openai_api_key, text):
     if not text or not isinstance(text, str):