message: fix body annotation
diff: @@ -11,18 +11,18 @@ import {IUser} from '../../../shared/models/IUser';
  export class ImportController {
  @Post('/course')
  - async importCourse(@Body body: any, @CurrentUser() user: IUser) {
  + async importCourse(@Body() body: any, @CurrentUser() user: IUser) {
  return Course.prototype.importJSON(body, user);
  }
  @Post('/lecture/:course')
  - async importLecture(@Body body: any,
  + async importLecture(@Body() body: any,
  @Param('course') courseId: string) {
  return Lecture.prototype.importJSON(body, courseId);
  }
  @Post('/unit/:course/:lecture')
  - async importUnit(@Body body: any,
  + async importUnit(@Body() body: any,
  @Param('course') courseId: string,
  @Param('lecture') lectureId: string) {
  return Unit.prototype.importJSON(body, courseId, lectureId);
  