display error (type error)
threepebbles opened this issue · 5 comments
I'm just trying to run an example code in https://github.com/jupyter-widgets/pythreejs/blob/master/examples/Examples.ipynb in jupyter lab.
But an error occured and nothing is displayed.
Here is the full log:
TypeError Traceback (most recent call last)
~/anaconda3/envs/js/lib/python3.8/site-packages/ipywidgets/widgets/widget.py in _handle_msg(self, msg)
674 if 'buffer_paths' in data:
675 _put_buffers(state, data['buffer_paths'], msg['buffers'])
--> 676 self.set_state(state)
677
678 # Handle a state request.
~/anaconda3/envs/js/lib/python3.8/site-packages/ipywidgets/widgets/widget.py in set_state(self, sync_data)
543 from_json = self.trait_metadata(name, 'from_json',
544 self._trait_from_json)
--> 545 self.set_trait(name, from_json(sync_data[name], self))
546
547 def send(self, content, buffers=None):
~/anaconda3/envs/js/lib/python3.8/site-packages/traitlets/traitlets.py in set_trait(self, name, value)
1434 (cls.__name__, name))
1435 else:
-> 1436 getattr(cls, name).set(self, value)
1437
1438 @classmethod
~/anaconda3/envs/js/lib/python3.8/site-packages/traitlets/traitlets.py in set(self, obj, value)
576
577 def set(self, obj, value):
--> 578 new_value = self._validate(obj, value)
579 try:
580 old_value = obj._trait_values[self.name]
~/anaconda3/envs/js/lib/python3.8/site-packages/traitlets/traitlets.py in _validate(self, obj, value)
608 return value
609 if hasattr(self, 'validate'):
--> 610 value = self.validate(obj, value)
611 if obj._cross_validation_lock is False:
612 value = self._cross_validate(obj, value)
~/anaconda3/envs/js/lib/python3.8/site-packages/traitlets/traitlets.py in validate(self, obj, value)
2470 return value
2471
-> 2472 value = self.validate_elements(obj, value)
2473
2474 return value
~/anaconda3/envs/js/lib/python3.8/site-packages/traitlets/traitlets.py in validate_elements(self, obj, value)
2707 for t, v in zip(self._traits, value):
2708 try:
-> 2709 v = t._validate(obj, v)
2710 except TraitError as error:
2711 self.error(obj, v, error)
~/anaconda3/envs/js/lib/python3.8/site-packages/traitlets/traitlets.py in _validate(self, obj, value)
608 return value
609 if hasattr(self, 'validate'):
--> 610 value = self.validate(obj, value)
611 if obj._cross_validation_lock is False:
612 value = self._cross_validate(obj, value)
~/anaconda3/envs/js/lib/python3.8/site-packages/traitlets/traitlets.py in validate(self, obj, value)
2091 def validate(self, obj, value):
2092 try:
-> 2093 value = float(value)
2094 except Exception:
2095 self.error(obj, value)
TypeError: float() argument must be a string or a number, not 'NoneType'
What should I do for fixing this error?
Thanks for all your help in advance.
What version of pythreejs
/traitlets
do you have installed?
What version of
pythreejs
/traitlets
do you have installed?
I'm using pythreejs 2.2.0
/ traitlets 5.0.4
.
Probably a duplicate of #334. I just pushed a fix for that, so hopefully that will fix this issue as well.
Closing for now, will reopen if that was not a fix for everyone (did fix the problem for me locally).
After pip install pythreejs --upgrade
, it works well.
Thank you!