Bug: default install directory result in import error

[yetong2023]

To reproduce this:
`
!pip install paddlepaddle
import paddle

WinError 123 The name of the file or directory name tag syntax is incorrect：'\\?\C:\Users\yt\AppData\Roaming\jupyterlab-desktop\jlab_server\Lib\site-packages\paddle\base\..\libs'`

While in other platform, such as anoconda jupyterlab, winpython jupyterlab, there is no such error.

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[JasonWeill]

@yetong2023 Thanks for opening this issue! Which version of JupyterLab Desktop are you using and which Windows version are you using?

[mbektas]

I have been debugging this issue together with #784 and they both have the same root cause. When bundled environment is installed on Windows, the environment prefix has UNC path format, starting with \\?\. Python (or some libraries) are not able to resolve those paths, causing these errors.

@yetong2023 as a workaround you can create a new Python environment (using New environment option) and install the dependency there.

[JasonWeill]

@yetong2023 Any update regarding the most recent comment from @mbektas ?