Python extension does not detect Python installations and throws an error

Environment data

• VS Code version: 1.56.2
• Extension version (available under the Extensions sidebar): XXX
• OS and version: v2021.5.842923320
• Python version (& distribution if applicable, e.g. Anaconda): 3.9.5, standard installation
• Type of virtual environment used (N/A | venv | virtualenv | conda | …): venv and global installation
• Value of the python.languageServer setting: Pylance
• OS: Windows 10 1809 Build 17763.1935

Expected behaviour

The extension should correctly detect the installed python version without errors.

Actual behaviour

Extension fails to detect Python and throws an error in the output.

Steps to reproduce:

1. Install python extension, open a python file.

Logs

Python extension output

Error 2021-06-04 16:23:57: Failed to get interpreter information for 'C:\Program Files\Python39\python.exe' [Error: Command failed: "C:\\Program Files\Python39\python.exe" "c:\Users\mlodozk\.vscode\extensions\ms-python.python-2021.5.842923320\pythonFiles\pyvsc-run-isolated.py" "c:\Users\mlodozk\.vscode\extensions\ms-python.python-2021.5.842923320\pythonFiles\interpreterInfo.py"
ParserError: 
Line |
   1 |  … python.exe" "c:\Users\mlodozk\.vscode\extensions\ms-python.python-202 …
     |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     | Unexpected token
     | '"c:\Users\mlodozk\.vscode\extensions\ms-python.python-2021.5.842923320\pythonFiles\pyvsc-run-isolated.py"' in expression or statement.


	at ChildProcess.exithandler (child_process.js:317:12)
	at ChildProcess.emit (events.js:315:20)
	at maybeClose (internal/child_process.js:1048:16)
	at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5)] {
  killed: false,
  code: 1,
  signal: null,
  cmd: '"C:\\\\Program Files\\Python39\\python.exe" "c:\\Users\\mlodozk\\.vscode\\extensions\\ms-python.python-2021.5.842923320\\pythonFiles\\pyvsc-run-isolated.py" "c:\\Users\\mlodozk\\.vscode\\extensions\\ms-python.python-2021.5.842923320\\pythonFiles\\interpreterInfo.py"'
}

[kwmlodozeniec]

Thanks for that, correcting the comspec fixed my issue with the extension!

[karrtikr]

Great, closing this.