def add_subparser(command, subparsers):
    module_name = 'paasta_tools.cli.cmds.%s' % command
    add_subparser_fn = load_method(module_name, 'add_subparser')
    add_subparser_fn(subparsers)
Given a command name, paasta_cmd, execute the add_subparser method
dataset/ETHPy150Open Yelp/paasta/paasta_tools/cli/cli.py/add_subparser