PYTHON_ARGCOMPLETE_OK not working when calling subprocess

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I have an entry point in my project_root/scripts however what that script is doing is running a subprocess to run the script with the correct python interpreter and its dependencies like:

project_root/scripts/my-cli.py

def main():
    # Determine the base path at runtime
    this_path = os.path.dirname(os.path.abspath(__file__))
    root_path = os.path.join(this_path, '..')

    # Locate the Python interpreter in the bundled venv
    venv_python = os.path.join(root_path, 'build_venv/bin/python3')

    # Path to main script
    main_script = os.path.join(root_path, 'entrypoint.py')

    # Check if the bundled interpreter exists
    if not os.path.exists(venv_python):
        print("Python interpreter not found. Please create it.")
        sys.exit(1)

    # Run the main script with the bundled interpreter
    command = [venv_python, main_script] + sys.argv[1:]
    result = subprocess.run(command)

    return result.returncode

if I place the # PYTHON_ARGCOMPLETE_OK in the project_root/scripts/my-cli.py then the completion is not working

however if i place it on the entrypoint.py that is called by the subprocess here above then it works perfectly

obviously I cannot call entrypoint.py directly from my zsh because I don't always have the correct venv activated.

Is there a work around for this to work?