stop CI failures.
302f353fd9223d020e48495eaa7a03ce5d539409 seems break the rubyspec.
@nobu (Nobuyoshi Nakada) please check it.
stop CI failures.
302f353fd9223d020e48495eaa7a03ce5d539409 seems break the rubyspec.
@nobu (Nobuyoshi Nakada) please check it.