ray: [core/win] ray.init is hanging forever on windows (vscode)

What is the problem?

ray.init() doesn’t work. It starts and hangs forever as can be seen below:

Ray version and other system information (Python version, TensorFlow version, OS):

ray version: 1.1.0.dev0 and 1.0.1.post1

Vs Code

Python dependencies:

requiremets lock

Reproduction (REQUIRED)

Please provide a script that can be run to reproduce the issue. The script should have no external library dependencies (i.e., use fake or mock data / environments):

Originally discovered by using tune_sklearn, then smallest instructions to reproduce were found by @richardliaw . More information can be found here.

Problem reproduction

import ray
ray.init()

If we cannot run your script, we cannot fix your issue.

• [✔️] I have verified my script runs in a clean environment and reproduces the issue.
• [✔️] I have verified the issue also occurs with the latest wheels.