Update app.py

app.py

@@ -22,7 +22,7 @@ llm = HuggingFaceEndpoint(
     temperature=0.7,
     max_new_tokens=512,
     huggingfacehub_api_token=os.getenv("HUGGINGFACEHUB_API_TOKEN"),
-    task="text-generation"   # <— important: use text-generation, not text2text-generation
+    task="conversational"   
 )
 
 math_template = ChatPromptTemplate.from_messages([