Update presentation_api.py

presentation_api.py

@@ -129,8 +129,11 @@ async def chat(input_data: ChatInput):
             
             elif kind == "on_tool_end":
                 tool_output = event['data'].get('output', '')
+                print(type(tool_output))
+                print(type(dir(tool_output)))
+                tool_output = tool_output.pretty_repr()
                 yield f"{json.dumps({'type': 'tool_end', 'tool': event['name'], 'output': tool_output})}\n"
-
+            
     return EventSourceResponse(
         generate(),
         media_type="text/event-stream"