To install pyautogui module run in the terminal this command:
(Be sur the path point to the Touchdesigner site-package)

pip3 install pyautogui --target /Applications/TouchDesigner.app/Contents/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-packages


In Touchdesigner, verify that the module has been installed by copy past the lines in the IMPORT_PYTHON_MODULES_CHECK DAT:

def onCook(scriptOp):
    try:
        import subprocess  # This is just a placeholder import
        scriptOp.appendRow(["Subprocess module imported successfully."])
    except ImportError as e:
        scriptOp.appendRow([f"Failed to import subprocess module: {e}"])
    
    try:
        import pyautogui  # This is just a placeholder import
        scriptOp.appendRow(["PyAutoGUI module imported successfully."])
    except ImportError as e:
        scriptOp.appendRow([f"Failed to import PyAutoGUI module: {e}"])
    
    print("Script executed")
    return