Update app.py

app.py

@@ -152,9 +152,9 @@ class AgentState(TypedDict):
 
 def build_agent(chat):
     def assistant(state: AgentState):
-    return {
-        "messages": chat.invoke(state["messages"]),
-    }
+        return {
+            "messages": chat.invoke(state["messages"]),
+            }
     tools = [get_file_path_tool, get_content_tool, search_web_tool, extract_text_tool, play_chess_tool, run_code_tool]
     chat_with_tools = chat.bind_tools(tools, parallel_tool_calls=False)
     # The graph