[QGIS-it-user] Non carica il plugin Processing in QGIS 3.16.12 LTR Hannover

[Totò Fiandaca]

Dopo ultimo aggiornamento disponibile per il nuovo repository *OSGeo4W
Network Installer*, noto che all'avvio di QGIS 3.16.12 ho questo messaggio
e non carica il plugin Processing:
-------------------

Impossibile caricare il plugin 'processing'
ModuleNotFoundError: No module named
'processing.algs.saga.SagaNameDecorator'

Traceback (most recent call last):
  File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 312, in
loadPlugin
    __import__(packageName)
  File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 793, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "C:\OSGeo4W/apps/qgis-ltr/./python/plugins\processing\__init__.py",
line 26, in
    from processing.tools.general import *  # NOQA
  File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 793, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "C:\OSGeo4W/apps/qgis-ltr/./python/plugins\processing\tools\general.py",
line 32, in
    from processing.core.Processing import Processing
  File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 793, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "C:\OSGeo4W/apps/qgis-ltr/./python/plugins\processing\core\Processing.py",
line 69, in
    from processing.algs.saga.SagaAlgorithmProvider import
SagaAlgorithmProvider  # NOQA
  File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 793, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "C:\OSGeo4W/apps/qgis-ltr/./python/plugins\processing\algs\saga\SagaAlgorithmProvider.py",
line 36, in
    from .SagaAlgorithm import SagaAlgorithm
  File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 793, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "C:\OSGeo4W/apps/qgis-ltr/./python/plugins\processing\algs\saga\SagaAlgorithm.py",
line 50, in
    from processing.algs.saga.SagaNameDecorator import
decoratedAlgorithmName, decoratedGroupName
  File "C:\OSGeo4W/apps/qgis-ltr/./python\qgis\utils.py", line 793, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
ModuleNotFoundError: No module named 'processing.algs.saga.SagaNameDecorator'


Versione Python: 3.9.5 (tags/v3.9.5:0a7dcbd, May  3 2021, 17:27:52) [MSC
v.1928 64 bit (AMD64)]
Versione di QGIS: 3.16.12-Hannover Hannover, be6cb030
Percorso Python:

   - C:/OSGeo4W/apps/qgis-ltr/./python
   - C:/Users/pigre/AppData/Roaming/QGIS/QGIS3\profiles\default/python
   -
   C:/Users/pigre/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins
   - C:/OSGeo4W/apps/qgis-ltr/./python/plugins
   - C:\OSGeo4W\bin\python39.zip
   - C:\OSGeo4W\apps\Python39\DLLs
   - C:\OSGeo4W\apps\Python39\lib
   - C:\OSGeo4W\bin
   - C:\OSGeo4W\apps\Python39
   - C:\OSGeo4W\apps\Python39\lib\site-packages
   - C:\OSGeo4W\apps\Python39\lib\site-packages\win32
   - C:\OSGeo4W\apps\Python39\lib\site-packages\win32\lib
   - C:\OSGeo4W\apps\Python39\lib\site-packages\Pythonwin
   - C:/Users/pigre/AppData/Roaming/QGIS/QGIS3\profiles\default/python
   -
   C:\Users\pigre\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\kmltools\libs
   -
   C:\Users\pigre\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\mmqgis/forms
   -
   C:\Users/pigre/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\qgis_resource_sharing
   -
   C:\Users\pigre\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\qgis_resource_sharing
   -
   C:\Users\pigre\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\qgis_resource_sharing\ext_libs

----------------------------

oltre alla 3.16.12 ho installati anche la 3.22.0 e la master che funzionano
bene;
dalle novità introdotte nella 3.22 ho letto che  'Move non-native
processing providers into independent plugins
<https://changelog.qgis.org/en/qgis/version/3.22/#move-non-native-processing-providers-into-independ>',
il problema nella 3.16.12 può essere collegato a questa feature? e se sì,
come ovviare?

saluti

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