Strange error when importing "adafruit_hid.mouse_button"

[AleksandrTrifonov]

Strange error "File"code.py", string 8, in " when importing "adafruit_hid.mouse_button"

import board
import wifi
import socketpool
import usb_hid
from adafruit_httpserver import Server, Request, Response
from adafruit_hid.mouse import Mouse
from adafruit_hid.mouse_button import MouseButton
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keycode import Keycode

[dhalbert]

What does that translate to?