message: Removed extra import
diff: @@ -9,7 +9,7 @@ import { StructureSelection } from '../selection'
  import { Unit, StructureProperties as P } from '../../structure'
  import { Segmentation, SortedArray } from 'mol-data/int'
  import { LinearGroupingBuilder } from '../utils/builders';
  -import { QueryPredicate, QueryFn, QueryContextView, QueryContext } from '../context';
  +import { QueryPredicate, QueryFn, QueryContextView } from '../context';
  import { UnitRing } from '../../structure/unit/rings';
  import Structure from '../../structure/structure';
  import { ElementIndex } from '../../model';
  