Sudden warnings when switching views

Development
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Suddenly, I am seeing warnings in the Command Line Console when switching views in Gramps. Initially, it reported the 3rd Party add-on Note Gramplet. I removed that Gramplet and then it gave similar reports now for the DataEntry Gramplet. (The active Gramplet in the new View being selected.)

After a long period offline, this computer was connected to the net for about a week and suffered multiple automatic Windows updates. Also, since I am trying to learn Python, I recently installed PyCharm after failing miserably to recognize differences using Notepad++ related to Python’s whitespace sensitivity

Could this have resulted in paths being changed? Causing Gramps to try to using incompatible support libraries?

2021-10-22 12:07:37.921: WARNING: _manager.py: line 308: Plugin error (from 'NoteGramplet'): No module named 'NoteGramplet'
C:\Users\DistrictSupport\AppData\Roaming\gramps\gramps51\plugins\DataEntryGramplet\DataEntryGramplet.py:269: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "label" or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
  button = Gtk.CheckButton(text)
C:\Users\DistrictSupport\AppData\Roaming\gramps\gramps51\plugins\DataEntryGramplet\DataEntryGramplet.py:89: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "label" or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
  button = Gtk.Button(_("Save"))
C:\Users\DistrictSupport\AppData\Roaming\gramps\gramps51\plugins\DataEntryGramplet\DataEntryGramplet.py:92: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "label" or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
  button = Gtk.Button(_("Abandon"))
C:\Users\DistrictSupport\AppData\Roaming\gramps\gramps51\plugins\DataEntryGramplet\DataEntryGramplet.py:121: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "label" or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
  button = Gtk.Button(_("Add"))
C:\Users\DistrictSupport\AppData\Roaming\gramps\gramps51\plugins\DataEntryGramplet\DataEntryGramplet.py:124: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "label" or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
  button = Gtk.Button(_("Copy Active Data"))
C:\Users\DistrictSupport\AppData\Roaming\gramps\gramps51\plugins\DataEntryGramplet\DataEntryGramplet.py:127: PyGTKDeprecationWarning: Using positional arguments with the GObject constructor has been deprecated. Please specify keyword(s) for "label" or use a class specific constructor. See: https://wiki.gnome.org/PyGObject/InitializerDeprecations
  button = Gtk.Button(_("Clear"))
C:\Program Files\GrampsAIO64-5.1.4\gramps\plugins\view\relview.py:1199: DeprecationWarning: Gtk.Misc.set_padding is deprecated
  label.set_padding(0, 5)
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jralls commented 18:05 GMT 22 Oct 2021 on GitHub comments for the Note Gramplet

PyGObject and libgtk±3.0.dll got upgraded. The first 3 warnings are from the Gtk C library and inform us that we’re using API that won’t be portable to Gtk4; the other two are about using python/C++ style constructors, which the PyGObject developers created for backwards compatibility with PyGtk and now wish that they hadn’t.