Bug report: Application crashed with AttributeError

[giovannipizzi]

Automated report

This issue was created with the app's automated bug reporting feature.
Attached to this issue is the full traceback as well as an environment
fingerprint that contains information about the operating system as well as all
installed libraries.

Additional comments (optional):

When clicking on "Job History" when alrady in the "Job History" view

Attachments

Traceback

/opt/conda/lib/python3.9/contextlib.py in __exit__(self, typ, value, traceback)
    124         if typ is None:
    125             try:
--> 126                 next(self.gen)
    127             except StopIteration:
    128                 return False

/opt/conda/lib/python3.9/site-packages/traitlets/traitlets.py in hold_trait_notifications(self)
   1500                 for changes in cache.values():
   1501                     for change in changes:
-> 1502                         self.notify_change(change)
   1503 
   1504     def _notify_trait(self, name, old_value, new_value):

/opt/conda/lib/python3.9/site-packages/ipywidgets/widgets/widget.py in notify_change(self, change)
    692                 # Send new state to front-end
    693                 self.send_state(key=name)
--> 694         super(Widget, self).notify_change(change)
    695 
    696     def __repr__(self):

/opt/conda/lib/python3.9/site-packages/traitlets/traitlets.py in notify_change(self, change)
   1515     def notify_change(self, change):
   1516         """Notify observers of a change event"""
-> 1517         return self._notify_observers(change)
   1518 
   1519     def _notify_observers(self, event):

/opt/conda/lib/python3.9/site-packages/traitlets/traitlets.py in _notify_observers(self, event)
   1562                 c = getattr(self, c.name)
   1563 
-> 1564             c(event)
   1565 
   1566     def _add_notifiers(self, handler, name, type):

/opt/conda/lib/python3.9/site-packages/aiidalab_qe/app/wrapper.py in _on_job_history_toggle(self, change)
     78             ]
     79         else:
---> 80             self._view.main.children = [self._view.app]
     81 
     82     def _set_event_handlers(self) -> None:

AttributeError: 'AppWrapperView' object has no attribute 'app'

Environment fingerprint

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time of error.