Traceback (most recent call last):


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\tkinter\__init__.py", line 1883, in __call__

return self.func(*args)


 "trial.py", line 175, in example2


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\plotly\figure_factory\_gantt.py", line 997, in create_gantt

fig = gantt_colorscale(


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\plotly\figure_factory\_gantt.py", line 595, in gantt_colorscale

fig = go.Figure(data=data, layout=layout)


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\plotly\graph_objs\_figure.py", line 588, in __init__

super(Figure, self).__init__(data, layout, frames, skip_invalid, **kwargs)


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\plotly\basedatatypes.py", line 280, in __init__

data = self._data_validator.validate_coerce(


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\_plotly_utils\basevalidators.py", line 2661, in validate_coerce

trace = self.get_trace_class(trace_type)(


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\plotly\graph_objs\_scatter.py", line 2950, in __init__

self["fill"] = _v


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\plotly\basedatatypes.py", line 4522, in __setitem__

validator = self._get_validator(prop)


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\plotly\basedatatypes.py", line 4013, in _get_validator

return ValidatorCache.get_validator(self._path_str, prop)


 "C:\Users\andre.farrugia\AppData\Local\Programs\Python\Python38\lib\site-packages\plotly\validator_cache.py", line 28, in get_validator

validator = getattr(
AttributeError: module 'plotly.validators.scatter' has no attribute 'FillValidator'

Traceback (most recent call last):


 "C:\Users\w10\anaconda3\lib\site-packages\tornado\ioloop.py", line 743, in _run_callback

ret = callback()


 "C:\Users\w10\anaconda3\lib\site-packages\jupyter_client\threaded.py", line 83, in thread_send

self.session.send(self.stream, msg)


 "C:\Users\w10\anaconda3\lib\site-packages\jupyter_client\session.py", line 747, in send

to_send = self.serialize(msg, ident)


 "C:\Users\w10\anaconda3\lib\site-packages\jupyter_client\session.py", line 660, in serialize

signature = self.sign(real_message)


 "C:\Users\w10\anaconda3\lib\site-packages\jupyter_client\session.py", line 606, in sign

return str_to_bytes(h.hexdigest())


 "C:\Users\w10\anaconda3\lib\site-packages\ipython_genutils\py3compat.py", line 21, in encode

return u.encode(encoding, "replace")
NotImplementedError: encoding with 'cp1252' codec failed (NotImplementedError: )
