VSCode Python

Open workspace by opening the project folder, not file in that folder. This way, the workspace settings will be applied. Use Command Pallete "Open Workspace Settings" to change the settings. The settings is in:-

.vscode/settings.json

Using relative path in the settings:-

{
    "workbench.colorTheme": "Visual Studio Dark",
    "python.pythonPath": "${workspaceRoot}/.venv/bin/python3"
}