Revert "m1"

This reverts commit 087541e3e9179cae8dddd55f43333d6ec9d412e9.

app.py

@@ -30,7 +30,7 @@ from sqlalchemy.exc import SQLAlchemyError
 from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain_community.agent_toolkits import create_sql_agent
 from langchain_community.utilities import SQLDatabase
-
+from langgraph.prebuilt import create_react_agent
 
 # Cargar variables de entorno
 load_dotenv()