@clizefy(help_names=())
def improver_help(prog_name: parameters.pass_name, command=None, *, usage=False):
    'Show command help.'
    prog_name = prog_name.split()[0]
    args = filter(None, [command, '--help', (usage and '--usage')])
    result = execute_command(SUBCOMMANDS_DISPATCHER, prog_name, *args)
    if ((not command) and usage):
        result = '\n'.join((line for line in result.splitlines() if (not line.endswith('--help [--usage]'))))
    return result
Show command help.
@clizefy(help_names=())
def improver_help(prog_name: parameters.pass_name, command=None, *, usage=False):
    
    prog_name = prog_name.split()[0]
    args = filter(None, [command, '--help', (usage and '--usage')])
    result = execute_command(SUBCOMMANDS_DISPATCHER, prog_name, *args)
    if ((not command) and usage):
        result = '\n'.join((line for line in result.splitlines() if (not line.endswith('--help [--usage]'))))
    return result