Activating venv to run Jupyter failed

[oryon-dominik]

Bug: Notebook Editor, Interactive Window, Python Editor cells

Steps to cause the bug to occur

1. Run any cell in any jupyter-notebook in vscode
2. causes an error: Activating Python 3.8.0 64-bit ('myenv': venv) to run Jupyter failed with Error: StdErr from ShellExec, Parameterformat falsch - 850.

Vscode recognizes the venv in the terminal. "python.pythonPath": "C:\\Users\\myname\\Envs\\myenv\\Scripts\\python.exe", works as expected.
python -m jupyter notebook --version also works as expected and returns 6.0.1.

(tornado had a bug on python3.8 though, which I manually fixed with the solution in tornadoweb/tornado#2751 )

Actual & Expected behavior

activate the notebook in the venv and run the cell with no errors

Your Jupyter and/or Python environment

• Jupyter server running: Local
• Extension version: 2019.10.41019
• VS Code version: 1.39.2
• Setting python.jediEnabled: false
• Python and/or Anaconda version: 3.8.0
• OS: Windows 1903
• Virtual environment: venv

Developer Tools Console Output

Error Python Extension: 2019-10-19 14:59:31: getActivatedEnvironmentVariables [Error: StdErr from ShellExec, Parameterformat falsch - 850.
at _.getActivatedEnvironmentVariables (c:\Users\myname.vscode\extensions\ms-python.python-2019.10.41019\out\client\extension.js:75:1244856)]

Error Python Extension: 2019-10-19 14:59:31: getActivatedEnvironmentVariables, Class name = _, completed in 218ms, Arg 1: undefined, Arg 2: {"architecture":3,"path":"C:\Users\myname\envs\myenv\Scripts\python.exe","version":{"options":{"loose":false,"includePrerelease":false},"loose":false,"raw":"3.8.0-final","major":3,"minor":8,"patch":0,"prerelease":["final"],"build":[],"version":"3.8.0-final"},"sysPrefix":"C:\Users\myname\envs\myenv","fileHash":"3825012762f2f81474bab568edd5862c7d432337a71852b5d2af2aa0751a97044ebbfb6887e92fd505aeed6dca87c236403040442555e4b92464ffbb485ced96","envName":"myenv","type":"Venv","displayName":"Python 3.8.0 64-bit ('myenv': venv)"}, Arg 3: true { [Error: StdErr from ShellExec, Parameterformat falsch - 850.
at _.getActivatedEnvironmentVariables (c:\Users\myname.vscode\extensions\ms-python.python-2019.10.41019\out\client\extension.js:75:1244856)] vslsStack: [ CallSite {} ] }

[LumenYoung]

This is the problem that I also encoutered, searching for help

[rchiodo]

Actually this problem isn't specific to data science. This looks like a bug in the getActivatedEnvironmentVariables?

[reekystive]

I did not encounter any errors when using Python 3.7.5.

But after I upgraded to Pyhton 3.8.0, when I executed Run Current File in Python Interactive Window, I got this:

Executing code failed : Error: Jupyter server crashed. Unable to connect. 
Error code from jupyter: 1

This is the error of Jupyter itself on Python 3.8.0, so I manually followed this to fix the error:

jupyter/notebook#4613

It now works fine when running jupyter notebook in Command Prompt, but I encountered this when I was running in vscode:

Failed to connect to Jupyter notebook. 
http://localhost:8888/
Error: Invalid response: 500 Internal Server Error

Asking for help now.

My info:

VS Code -> Help -> About

Version: 1.40.0 (system setup)
Commit: 86405ea23e3937316009fc27c9361deee66ffbf5
Date: 2019-11-06T17:02:13.381Z
Electron: 6.1.2
Chrome: 76.0.3809.146
Node.js: 12.4.0
V8: 7.6.303.31-electron.0
OS: Windows_NT x64 10.0.18362

> python --version
Python 3.8.0

> pip --version
pip 19.3.1 from ...\python38\lib\site-packages\pip (python 3.8)

> jupyter --version
jupyter core     : 4.6.1
jupyter-notebook : 6.0.2
qtconsole        : 4.5.5
ipython          : 7.9.0
ipykernel        : 5.1.3
jupyter client   : 5.3.4
jupyter lab      : not installed
nbconvert        : 5.6.1
ipywidgets       : 7.5.1
nbformat         : 4.4.0
traitlets        : 4.3.3

[huaji1992]

me too

[luabud]

Hey folks, this issue seems to be out of date. If you do still experience it, please file a new bug report so we can investigate. Thanks!