`assert_all_are_before` fail to parse input argument

[Former user]

running

init_date <- lubridate::ymd_hms(20180424000000) end_date <- lubridate::ymd_hms(20180501000000) assertive::assert_all_are_before(x = init_date, y = end_date)

returns the error

Error in coerce_to(y, "POSIXct", .yname) : argument "y" is missing, with no default In addition: Warning messages: 1: In is(x, class) : restarting interrupted promise evaluation 2: In is(x, class) : restarting interrupted promise evaluation