fix: protect taurusgui against lack of PyQtWebEngine (!1233) · Merge requests · taurus-org / taurus

Manual panel's widget is None when PyQtWebEngine is not installed. Avoid exception on closing GUI by only propagating the closeEvent to the panel's widget when it exists.

MainThread     ERROR    2022-01-10 14:03:58,500 LogExceptHook: Unhandled exception:
Traceback (most recent call last):
  File "c:\users\vagrant\appdata\local\programs\python\python38\lib\site-packages\taurus\qt\qtgui\taurusgui\taurusgui.py", line 426, in closeEvent
    panel.widget().closeEvent(event)
AttributeError: 'NoneType' object has no attribute 'closeEvent'

fix: protect taurusgui against lack of PyQtWebEngine

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