def set_of_vars(arg_plot):
    """Build set of needed variables.

    Args:
        arg_plot (str): string with variable names separated with ``,``.
    Returns:
        set of str: set of variables.
    """
    return set(var for var in arg_plot.split(',') if var in phyvars.PLATES)
def set_of_vars ( arg_plot ) : return set ( var for var in arg_plot . split ( ',' ) if var in phyvars . PLATES )
Build set of needed variables.

    Args:
        arg_plot (str): string with variable names separated with ``,``.
    Returns:
        set of str: set of variables.