Closing a plot window throws an error when in pause #16667

Bug report

Bug summary

Code for reproduction

# Paste your code here
#   plt.show(block=False)
    plt.pause(15)
    self.hide()
    def hide(self):
        if plt.gcf():
            plt.clf()
            plt.cla()
            plt.close()
#

Actual outcome

# If applicable, paste the console output here
#_tkinter.TclError: can't invoke "update" command: application has been destroyed
#

Expected outcome

Matplotlib version

• Operating system:
• Matplotlib version:
• Matplotlib backend (print(matplotlib.get_backend())):
• Python version:
• Jupyter version (if applicable):
• Other libraries: