Update app.py

app.py

@@ -99,7 +99,7 @@ index = initialize_faiss()
 save_faiss_index(index)
 
 # Load document store and populate FAISS index
-knowledgebase_file = = os.path.join(UPLOAD_DIR, "knowledge_text.txt")  # Ensure this path is correct
+knowledgebase_file = os.path.join(UPLOAD_DIR, "knowledge_text.txt")  # Ensure this path is correct
 
 def load_document_store():
     """Loads knowledgebase.txt into a dictionary where FAISS IDs map to text and embeddings"""