message: Maybe this will appease the linter.
diff: @@ -778,13 +778,13 @@ class WidgetExplorer extends React.Component {
  return (<div>
  <div className="mx_Dialog_content">
  <FilteredList query={this.state.query} onChange={this.onQueryChange}>
  - {widgets.map(w =>
  - (<button
  + {widgets.map(w => {
  + return <button
  className='mx_DevTools_RoomStateExplorer_button'
  key={w.url + w.eventId}
  onClick={() => this.onEditWidget(w)}
  - >{w.url}</button>)
  - )}
  + >{w.url}</button>;
  + })}
  </FilteredList>
  </div>
  <div className="mx_Dialog_buttons">
  