-import { ACTIVITY_PUB, ACTIVITY_PUB_ACTOR_TYPES, CONSTRAINTS_FIELDS, SERVER_ACTOR_NAME, WEBSERVER } from '../../initializers/constants'
-import { AccountModel } from '../account/account'
-import { AvatarModel } from '../avatar/avatar'
-import { ServerModel } from '../server/server'
-import { isOutdated, throwIfNotValid } from '../utils'
-import { VideoChannelModel } from '../video/video-channel'
-import { ActorFollowModel } from './actor-follow'
-import { VideoModel } from '../video/video'
+import {
+ ACTIVITY_PUB,
+ ACTIVITY_PUB_ACTOR_TYPES,
+ CONSTRAINTS_FIELDS,
+ MIMETYPES,
+ SERVER_ACTOR_NAME,
+ WEBSERVER
+} from '../../initializers/constants'