Colabtools: Closing widgets not working

[FKLC]

Bug report for Colab: http://colab.research.google.com/.

For questions about colab usage, please use stackoverflow.

• Describe the current behavior: Closing an ipywidgets not working

• Describe the expected behavior: When I call widget.close() it should disappear

• The web browser you are using (Chrome, Firefox, Safari, etc.): Chrome Version 76.0.3809.100

• Link to self-contained notebook that reproduces this issue
  (click the Share button, then Get Shareable Link): https://colab.research.google.com/drive/1FABSKvIgVay40XCy-p_y3l-RrXpQwSxU

[blois]

Thank you for reporting, the fix for this is now live.

[PERFECT047]

Thank You.