tf.compat.v1.flags.mark_flags_as_required

Ensures that flags are not None during program execution.

if name == 'main': flags.mark_flags_as_required(['flag1', 'flag2', 'flag3']) app.run()

flag_names Sequence[str], names of the flags.
flag_values flags.FlagValues, optional FlagValues instance where the flags are defined.

AttributeError If any of flag name has not already been defined as a flag.