def locate_app_config():
    """Returns the path to the :class:`AppConfig` on disk.

    The default location is ``~/.fiftyone/app_config.json``, but you can
    override this path by setting the ``FIFTYONE_APP_CONFIG_PATH`` environment
    variable.

    Note that the file may not actually exist.

    Returns:
        the path to the :class:`AppConfig` on disk
    """
    if "FIFTYONE_APP_CONFIG_PATH" not in os.environ:
        return foc.FIFTYONE_APP_CONFIG_PATH

    return os.environ["FIFTYONE_APP_CONFIG_PATH"]
Returns the path to the :class:`AppConfig` on disk.

    The default location is ``~/.fiftyone/app_config.json``, but you can
    override this path by setting the ``FIFTYONE_APP_CONFIG_PATH`` environment
    variable.

    Note that the file may not actually exist.

    Returns:
        the path to the :class:`AppConfig` on disk
    
fiftyone/core/config.py