afrom langchain_ollama.chat_models import ChatOllama

dded
Signed-off-by: apple muncy <[email protected]>

app.py

@@ -4,6 +4,7 @@ from langchain_core.messages import AnyMessage, HumanMessage, AIMessage, SystemM
 from langgraph.prebuilt import ToolNode
 from langgraph.graph import START, StateGraph
 from langgraph.prebuilt import tools_condition
+from langchain_ollama.chat_models import ChatOllama
 
 from tools import search_tool, weather_info_tool, hub_stats_tool