update relevance check logic

rag_app/rag_2.py

@@ -81,13 +81,13 @@ def is_harmful(query):
     return any(keyword in query.lower() for keyword in harmful_keywords)
 
 
-def is_relevant(query, index, threshold=0.7):
+def is_not_relevant(query, index, threshold=0.7):
     retriever = index.as_retriever(similarity_top_k=1)
     nodes = retriever.retrieve(query)
     if not nodes:
         return False
     similarity = nodes[0].score
-    return not similarity <= threshold
+    return similarity <= threshold
 
 
 def get_sequence_probability(llm, input_sequence):
@@ -113,7 +113,7 @@ def answer_question(query):
     storage_context = StorageContext.from_defaults(persist_dir="models/precomputed_index")
     index = load_index_from_storage(storage_context)
     
-    if not is_relevant(query, index, 0.2):
+    if is_not_relevant(query, index, 0.2):
         return "This query doesn't appear relevant to finance."
     
     retriever = QueryFusionRetriever(