Questions tagged [python-traitlets]
9 questions
9
votes
4 answers
ipykernel (Jupyter notebook/labs) cannot import name ''filefind" from traitlets.utils
I installed Jupyter notebook and labs on and EC2 instance and for some reason I get the following error:
ImportError: cannot import name 'filefind' from 'traitlets.utils' (/usr/lib/python3/dist-packages/traitlets/utils/init.py)
Jupyter opens fine…

Rick Vink
- 321
- 1
- 3
- 11
2
votes
2 answers
AttributeError: module 'IPython.utils.traitlets' has no attribute 'Unicode'
I am running a .ipynb notebook on a Kaggle server.
At the first code cell, when importing modules, specifically cv2_imshow from google.patches as follows,
from google.colab.patches import cv2_imshow
I get this…

mlanda01
- 23
- 4
1
vote
1 answer
How do you embed an ipython console with exec_lines?
I'm trying to embed an ipython console into my command line application.
I have the following:
import IPython
from traitlets.config import Config
c = Config()
c.InteractiveShellApp.exec_lines = [
'import matplotlib.pyplot as plt',
…

Lucidnonsense
- 1,195
- 3
- 13
- 35
1
vote
1 answer
Failed to start the Kernel. Cannot run Jupyter Notebook in VS Code for Windows. Issue with Traitlets
I am trying to run a Jupyter Notebook in VS Code for Windows and running into an issue with traitlets. Can anyone help?
Following steps to re-create:
Start new Python virtual environment.
Create new Jupyter Notebook (.ipynb file)
Open file in VS…

jhicks2306
- 51
- 1
- 7
1
vote
0 answers
How to covert Javascript DataView object back to python bytes type?
In one of my projects, I'm passing a serialized python instance as bytes type to the Javascript front end. At the javascript side When I console.log the this.model.get('MyInstance') it returns MyInstance as a data view object. Now I want to pass…

jax
- 3,927
- 7
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- 70
1
vote
0 answers
How to change traitlets Dict to a normal python dictionary type?
How to convert traitlets Dict type to normal python dictionary type. I have an example code as given below when I am trying to access the keys and values of form_output as a standard python dictionary it shows an error.
form_output =…

jax
- 3,927
- 7
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- 70
0
votes
0 answers
Failure on evaluating the nodes in PODPAC library
I have been following the example notebook for PODPAC library. However, the simplest node.eval(coord) fails.
The other thing I have tried is downloading the tif file from s3 into local machine and then trying to run node.eval(node.coordinates) based…

flowery
- 1
0
votes
0 answers
is it possible to capture stdout using a traitlets Unciode?
I'm using the ipyvuetify lib to display dashboards in a Jupyter+voila environment.
In my last app, I make a call to a method that print information about computation in stdout and I would like to redirect it to a Unicode trait (which is then used in…

Pierrick Rambaud
- 1,726
- 1
- 20
- 47
0
votes
1 answer
is it possible to iterate a Tuple traitlets?
I transformed some of my lib variable into traitlets and I'm facing an error when iterating on a Tuple even though this is possible with built-in tuple.
from traitlets import Tuple
a = Tuple((1,2,4)).tag(sync=True)
for i in a:
print(i)
>>>…

Pierrick Rambaud
- 1,726
- 1
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- 47