pythonjupyter-server/jupyter_server #661Not a task: not reproduced

`jupyter_server` 1.13.2 does not work with `traitlets` 4

envgap__jupyter-server__jupyter_server-661

Original GitHub issue ↗Dated source checkout ↗Opened 2022-01-14

01 / FAILURE SIGNATURE

As reported upstream

ModuleNotFoundError: No module named 'traitlets.utils.descriptions'

Not a benchmark task.

In a clean container the reported failure did not reproduce, or the known fix did not make the project run.

02 / ENVIRONMENT RECIPE

Base commit: 6b57dab450ae611b5901429db46687d7a890992d
Manifest: setup.cfg
Reproduce: Awaiting issue-specific recipe
Run under trace: Awaiting a meaningful runtime command

03 / ORIGINAL ISSUE TEXT

jupyter-server/jupyter_server #661 · read the original issue




## Description

I got following error while using `jupyter_server` 1.13.2 with  `traitlets`  4.3.3

```shell

    from traitlets.utils.descriptions import describe

ModuleNotFoundError: No module named 'traitlets.utils.descriptions'

```



## Reproduce



```shell

mamba create -n bug python=3.9 jupyter_server=1.13.2 traitlets=4.3.3 jupyterlab

mamba activate bug

jupyter lab

```



<!--Describe how you diagnosed the issue-->



## Expected behavior



`jupyter_server` should drop support for `traitlets` 4 in `setup.cfg`

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