Problem with standalone JupyterLab on Windows

[miklevin]

pyfiglet doesn't import. Here's the error:

import pyfiglet

KeyError Traceback (most recent call last) ~\AppData\Local\Temp/ipykernel_17912/2380198760.py in ----> 1 import pyfiglet

C:\JupyterLab\resources\jlab_server\lib\site-packages\pyfiglet_init_.py in 57 58 if sys.platform == 'win32': ---> 59 SHARED_DIRECTORY = os.path.join(os.environ["APPDATA"], "pyfiglet") 60 else: 61 SHARED_DIRECTORY = '/usr/local/share/pyfiglet/'

C:\JupyterLab\resources\jlab_server\lib\os.py in getitem(self, key) 673 except KeyError: 674 # raise KeyError with the original key value --> 675 raise KeyError(key) from None 676 return self.decodevalue(value) 677

KeyError: 'APPDATA'

And here's the contents of os.environ

environ{'HOMEDRIVE': 'C:', 'HOMEPATH': '\Users\mike', 'JUPYTER_CONFIG_DIR': 'C:\Users\mike\AppData\Roaming\jupyterlab-desktop', 'JUPYTER_TOKEN': 'foo(removed)', 'LOGONSERVER': '\\LUNDERVAND', 'PATH': 'C:\JupyterLab\resources\jlab_server;C:\JupyterLab\resources\jlab_server\Library\mingw-w64\bin;C:\JupyterLab\resources\jlab_server\Library\usr\bin;C:\JupyterLab\resources\jlab_server\Library\bin;C:\JupyterLab\resources\jlab_server\Scripts;C:\JupyterLab\resources\jlab_server\bin;C:\Python39\Scripts\;C:\Python39\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\WINDOWS\System32\OpenSSH\;C:\ProgramData\chocolatey\bin;C:\Program Files\Git\cmd;C:\Program Files\nodejs\;C:\JupyterLab;C:\Users\mike\AppData\Local\Microsoft\WindowsApps;C:\Users\mike\AppData\Local\Programs\Microsoft VS Code\bin;C:\Users\mike\AppData\Roaming\npm', 'SYSTEMDRIVE': 'C:', 'SYSTEMROOT': 'C:\WINDOWS', 'TEMP': 'C:\Users\mike\AppData\Local\Temp', 'USERDOMAIN': 'LUNDERVAND', 'USERNAME': 'mike', 'USERPROFILE': 'C:\Users\mike', 'WINDIR': 'C:\WINDOWS', 'PYDEVD_USE_FRAME_EVAL': 'NO', 'JPY_INTERRUPT_EVENT': '2248', 'IPY_INTERRUPT_EVENT': '2248', 'JPY_PARENT_PID': '1996', 'TERM': 'xterm-color', 'CLICOLOR': '1', 'PAGER': 'cat', 'GIT_PAGER': 'cat', 'MPLBACKEND': 'module://matplotlib_inline.backend_inline'}

And here's the JupyterLab version (standalone / Electron app): Version 3.2.5-1