KeyError: 33 when destroying subwindow

[realmayus]

Bug Report

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KeyError: 33 when destroying subwindow

Context

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I want to destroy a subwindow when clicking on a button.

Expected Behaviour

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the subwindow should close

Actual Behaviour

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the subwindow does sometimes close but it raises an error

Any error messages produced by appJar

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2020-05-03 13:45:15,277 appJar:WARNING [Line 381->5802/cleanseWidgets]: Unable to destroy Label, during cleanse - NO APPJAR TYPE
Exception in Tkinter callback
Traceback (most recent call last):
  File "/usr/lib/python3.7/tkinter/__init__.py", line 1705, in __call__
    return self.func(*args)
  File "/home/marius/PycharmProjects/pyautogui-test/venv/lib/python3.7/site-packages/appJar/appjar.py", line 3783, in <lambda>
    return lambda *args: funcName(param)
  File "/home/marius/PycharmProjects/pyautogui-test/main.py", line 381, in img_grab_select
    app.destroyAllSubWindows() # workaround
  File "/home/marius/PycharmProjects/pyautogui-test/venv/lib/python3.7/site-packages/appJar/appjar.py", line 5754, in destroyAllSubWindows
    self.cleanseWidgets(wi)
  File "/home/marius/PycharmProjects/pyautogui-test/venv/lib/python3.7/site-packages/appJar/appjar.py", line 5794, in cleanseWidgets
    self.widgetManager.destroyContainer(WIDGET_NAMES.ContainerLog, widget)
  File "/home/marius/PycharmProjects/pyautogui-test/venv/lib/python3.7/site-packages/appJar/appjar.py", line 15907, in destroyContainer
    widgets = self.widgets[widgType]
KeyError: 33

Sample code, demonstrating the issue

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def done_grabbing(urls):
    app.setLabel("currentAction", "")  # accessing the "normal" window here
    app.setLabel("currentActionSub", "")
    print(urls)
    app.startSubWindow("imgGrabSelect", "Select Image to use", modal=True, blocking=True)
    app.setBg("white")
    app.setOnTop(stay=True)
    app.setSize(1000, 800)
    app.addLabel("selImgLbl", "Select Image to use", row=0)
    …
    app.addImageData(url, app_jar_image, fmt="PhotoImage", row=row, column=col)
    app.setImageSubmitFunction(url, img_grab_select)  # error occurs here, when clicking the img
    app.showSubWindow("imgGrabSelect")
…
def img_grab_select(url):
    …
    app.setLabel("img", "Selected Image: " + ("Yes" if did_select_img else "No") + ". Using grabbed image.")  # setting a label on the outer "normal" window here
    app.destroySubWindow("imgGrabSelect")  # error occurs here

What steps are needed to reproduce the bug

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The code I provided should already show the error. If you want, you can run my program (just one File): https://gist.github.com/8a3c3df95e039f4ae15e44f5b857dd25

You need a chromium selenium webdriver, set the path to the driver using the variable DRIVER_PATH at the top of the file. Start the program, Click on "Grab Image", enter a search term (e.g. Dogs), wait until downloaded, click on one of the available images in the subwindow that opens and look in the log.

Version Information

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appJar==0.94.0

[ATrashInTheWorld]

I am having the same issue.