Update app.py

app.py

@@ -84,6 +84,7 @@ def search_documents(query, user_groups, index_name="briefmeta"):
     Hybrid search combining semantic and sparse (keyword) retrieval.
     """
     try:
+        pc = initialize_pinecone_index(index_name)
         vector_store = PineconeVectorStore(index_name=index_name, embedding=embeddings)
 
         # Dense search (Semantic embeddings)