Update app.py

app.py

@@ -6,7 +6,7 @@ from rag_langgraph import run_multi_agent
 os.environ["LANGCHAIN_TRACING_V2"] = "true"
 os.environ["LANGCHAIN_PROJECT"] = "langgraph-multi-agent"
 
-def invoke(openai_api_key, topic, word_count=1000):
+def invoke(openai_api_key, topic, word_count=2000):
     if (openai_api_key == ""):
         raise gr.Error("OpenAI API Key is required.")
     if (topic == ""):