Fixes #27 and makes sure that we destroy the correct popup.
Fixes #27 and makes sure that we destroy the correct popup.
vivekratnavel/vega-lite-ui,hortonworks/vega-lite-ui,uwdata/vega-lite-ui,vivekratnavel/vega-lite-ui,vega/vega-lite-ui,uwdata/vega-lite-ui,hortonworks/vega-lite-ui,vega/vega-lite-ui,uwdata/vega-lite-ui,hortonworks/vega-lite-ui,vivekratnavel/vega-lite-ui,vega/vega-lite-ui