bug: vscode python debugging neither working for scripts nor pytest tests

[robert-elles]

Are you following the right branch?

• [X] My Nixpkgs and Home Manager versions are in sync

Is there an existing issue for this?

• [X] I have searched the existing issues

Issue description

Hi, I cannot debug python scripts or pytest tests with vscode. On clicking the debug icon on the pystest test I get a message saying debug stopped. I can click open launch.json. In the testing tab the icon keeps spinning indicating that something is still running. I don't see any error messages in none of the output channels.

launch.json contains the following:

 "version": "0.2.0",
  "configurations": [
    {
      "name": "Python Debugger: Remote Attach",
      "type": "debugpy",
      "request": "attach",
      "connect": { "host": "localhost", "port": 5678 },
      "pathMappings": [{ "localRoot": "${workspaceFolder}", "remoteRoot": "." }]
    },
    {
      "name": "Python Debugger: Current File",
      "type": "debugpy",
      "request": "launch",
      "program": "${file}",
      "console": "integratedTerminal"
    },
    {
      "name": "Python: Debug Tests",
      "type": "debugpy",
      "request": "launch",
      "program": "${file}",
      "purpose": ["debug-test"],
      "console": "integratedTerminal",
      "module": "pytest",
      "justMyCode": false
    }
  ]
}

I have vscode installed via home manager like so:

  home-manager = {
    users.robert = {
      programs.vscode = {
        enable = true;
        # package = pkgs.vscode.fhs;
        package = pkgs.vscode.fhsWithPackages (ps: with ps; [ python311Packages.debugpy ]);
        extensions = with pkgs.vscode-extensions;
          [
            ms-python.python
            ms-python.vscode-pylance
            ms-pyright.pyright
          ];
      };
    };
  };

}

Maintainer CC

No response

System information

- system: `"x86_64-linux"`
 - host os: `Linux 6.8.0-zen1, NixOS, 24.05 (Uakari), 24.05pre-git`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.18.2`
 - channels(root): `"nixos-23.05"`
 - nixpkgs: `/nix/store/amxd2p02wx78nyaa4bkb0hjvgwhz1dq7-source`

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