Codeserver pythonpath environment variable configuration

.vscode Directory structure ：

Profile contents
.env Is as follows ：

PYTHONPATH=./:${PYTHONPATH}

among ./ Represents the current working directory
settings.json Is as follows ：

{

"python.pythonPath": "/home/jovyan/.conda/envs/tf_1.15/bin/python",
"jupyter.jupyterServerType": "local",
"python.linting.enabled": false,
"terminal.integrated.fontFamily": "Ubuntu mono",
"terminal.integrated.fontSize": 16,
"python.envFile": "${workspaceFolder}/.vscode/.env", # Reference environment variables file `.env`
}

launch.json Is as follows ：

{

// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{

"name": "Python: Current File",
"type": "python",
"request": "launch",
"program": "${file}",
"console": "integratedTerminal",
}
]
}