Computer use is not working

[southkorea2013]

Hi,

I run the autonomous_gui_agent_voice.py, but it cannot work as expected.
macOS 15.3.1
MacBook M3 Max 128G
I find the clicking position is not on the Safari icon in Dock.
The following errors are prompted:

This is a beta version of the video understanding. It may not work as expected.
Screen Navigation Assistant
Press Ctrl+C to quit
Fetching 12 files: 100%|█████████████████████| 12/12 [00:00<00:00, 21201.20it/s]
Using a slow image processor as `use_fast` is unset and a slow processor was saved with this model. `use_fast=True` will be the default behavior in v4.48, even if the model was saved with a slow processor. This will result in minor differences in outputs. You'll still be able to use a slow processor with `use_fast=False`.
Fetching 11 files: 100%|█████████████████████| 11/11 [00:00<00:00, 16008.79it/s]
Press Enter to start listening...
Listening...
Fetching 4 files: 100%|█████████████████████████| 4/4 [00:00<00:00, 9049.20it/s]

Heard:  Please open Safari and navigate to Apple.com.
Planner response:
 Thought: The task is to open Safari and navigate to Apple.com. The next step is
to locate and click on the Safari icon in the dock to open the browser.
Action: CLICK on the Safari icon in the dock.
GUI Agent Response:
 {'action': 'CLICK', 'value': None, 'position': [0.4, 0.81]}
Executing action: CLICK
Clicking at position
(604, 795)
Drawing ellipse at pixel coordinates: (604, 795)
Updated navigation history
Saved image to screenshots/screenshot_20250303-142311.png
huggingface/tokenizers: The current process just got forked, after parallelism has already been used. Disabling parallelism to avoid deadlocks...
To disable this warning, you can either:
	- Avoid using `tokenizers` before the fork if possible
	- Explicitly set the environment variable TOKENIZERS_PARALLELISM=(true | false)
Planner response:
 Thought: The task is to open Safari and navigate to Apple.com. The next step is
to locate and click on the Safari icon in the dock to open the browser.
Action: CLICK on the Safari icon in the dock.
{"action": "CLICK", "value": null, "position": [604.8000000000001, 
795.4200000000001]}
GUI Agent Response:
 {'action': 'CLICK', 'value': null, 'position': [604.8000000000001, 
795.4200000000001]}
Error: name 'null' is not defined
Traceback (most recent call last):
  File "/Users/nanhan/demos/mlx-vlm/computer_use/autonomous_gui_agent_voice.py", line 632, in <module>
    main()
  File "/Users/nanhan/demos/mlx-vlm/computer_use/autonomous_gui_agent_voice.py", line 616, in main
    raise e
  File "/Users/nanhan/demos/mlx-vlm/computer_use/autonomous_gui_agent_voice.py", line 611, in main
    past_actions = process_command(
                   ^^^^^^^^^^^^^^^^
  File "/Users/nanhan/demos/mlx-vlm/computer_use/autonomous_gui_agent_voice.py", line 534, in process_command
    response = eval(response)
               ^^^^^^^^^^^^^^
  File "<string>", line 1, in <module>
NameError: name 'null' is not defined

Thanks,
Nan