Update assistants.py

assistants.py

@@ -161,7 +161,7 @@ def execute_tool_calls(run_steps):
     for step in run_steps.data:
         step_details = step.step_details
         print(get_json("step_details", step_details))
-        gr.Info(f"{step_details.type} {get_json("usage", step.usage)}", duration=30)
+        gr.Info(f"{step_details.type} {get_json('usage', step.usage)}", duration=30)
         
         if hasattr(step_details, "tool_calls"):
             for tool_call in step_details.tool_calls: