Original doc: A dialog to get a file name.
        Returns the name of a file, or None if user chose to cancel.

        if argInitialFile contains a valid filename, the dialog will
        be positioned at that file when it appears.

def fileopenbox(msg=None, title=None, argInitialFile=None):
    """Original doc: A dialog to get a file name.
        Returns the name of a file, or None if user chose to cancel.

        if argInitialFile contains a valid filename, the dialog will
        be positioned at that file when it appears.
        """
    return psidialogs.ask_file(message=msg, title=title, default=argInitialFile)