Update app.py

app.py

@@ -88,7 +88,7 @@ async def main():
         pbars = []
         
         for i, batch in enumerate(batches):
-            pbar = tqdm(total=len(batch), desc=f"Batch {i+1}/{len(batches)}", position=i)
+            pbar = tqdm(total=len(batch), desc=f"Batch {i+1}/{len(batches)}")
             pbars.append(pbar)
             
             if i == 0:
@@ -177,11 +177,10 @@ async def start_chat():
 
     ### BUILD LCEL RAG CHAIN THAT ONLY RETURNS TEXT
 
+    lcel_rag_chain = (
+    {"context": RunnablePassthrough() | hf_retriever, "query": itemgetter("query")}
+    | rag_prompt | hf_llm)
 
-    lcel_rag_chain =  (
-        {"context": itemgetter("query") | hf_retriever, "query": itemgetter("query")}
-        | rag_prompt | hf_llm
-    )
 
     cl.user_session.set("lcel_rag_chain", lcel_rag_chain)