Update app.py

app.py

@@ -205,7 +205,7 @@ def create_agent():
     """Creates a fresh agent instance for each session"""
     return CodeAgent(
         model=model,
-        tools=[visualizer] + WEB_TOOLS + flux_tool
+        tools=[visualizer] + WEB_TOOLS + flux_tool,
         max_steps=10,
         verbosity_level=1,
         additional_authorized_imports=AUTHORIZED_IMPORTS,