Update retriever.py

retriever.py

@@ -18,13 +18,12 @@ class GuestInfoRetrieverTool(Tool):
     def __init__(self, docs):
         self.is_initialized = False
         self.retriever = BM25Retriever.from_documents(docs)
-        self.subject = BM25Retriever.to_json(docs)
        
 
     def forward(self, query: str):
-        results = self.subject.get_relevant_documents(query)
+        results = self.retriever.invoke("Description")#get_relevant_documents(query)
         if results:
-            return "\n\n" .jion([results]) #.join([doc.page_content for doc in results[:3]])
+            return "\n\n" .join([doc.page_content for doc in results[:3]])
         else:
             return "No matching guest information found."