Update rag.py

rag.py

@@ -18,8 +18,8 @@ def pre_processing_csv(csv_path):
     df.fillna("", inplace=True)
 
     text_splitter = RecursiveCharacterTextSplitter(
-        chunk_size=300,
-        chunk_overlap=50
+        chunk_size=200,
+        chunk_overlap=80
     )
 
     documents = []