Bug report: Application crashed with TraitError

[AndresOrtegaGuerrero]

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):

Example: I submitted a band structure calculation for Silica.

Attachments

Traceback

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in __set__(self, obj, value)
    730             raise TraitError('The "%s" trait is read-only.' % self.name)
    731         else:
--> 732             self.set(obj, value)
    733 
    734     def _validate(self, obj, value):

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in set(self, obj, value)
    704 
    705     def set(self, obj, value):
--> 706         new_value = self._validate(obj, value)
    707         try:
    708             old_value = obj._trait_values[self.name]

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in _validate(self, obj, value)
    736             return value
    737         if hasattr(self, "validate"):
--> 738             value = self.validate(obj, value)
    739         if obj._cross_validation_lock is False:
    740             value = self._cross_validate(obj, value)

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in validate(self, obj, value)
   2534                 msg = "Could not decode {!r} for unicode trait '{}' of {} instance."
   2535                 raise TraitError(msg.format(value, self.name, class_of(obj))) from e
-> 2536         self.error(obj, value)
   2537 
   2538     def from_string(self, s):

~/.local/lib/python3.9/site-packages/traitlets/traitlets.py in error(self, obj, value, error, info)
    842                         describe("the", value),
    843                     )
--> 844                 raise TraitError(e)
    845 
    846     def get_metadata(self, key, default=None):

TraitError: The 'description' trait of a Checkbox instance expected a unicode string, not the float nan.

Environment fingerprint

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By submitting this issue I confirm that I am aware that this information can
potentially be used to determine what kind of calculation was performed at the
time of error.

[AndresOrtegaGuerrero]

This bug is a bit tricky, as it seems to be related to a node where the property label may have changed or the plugin was uninstalled. The only solution is to identify and delete the node causing the issue. It’s become more troublesome because now I can no longer access my other nodes in the app.

[AndresOrtegaGuerrero]

i did something like this just to get to see the jobs again ,

property_checkboxes = [
    ipw.Checkbox(
        value=False,
        description=prop if not (isinstance(prop, float) and math.isnan(prop)) else "unknown",
        layout=ipw.Layout(description_width="initial"),
        indent=False,
    )
    for prop in unique_properties
]

[AndresOrtegaGuerrero]

or just

unique_properties = set(self.df["Properties"].explode().dropna())