Option --use-pnp doesn't end up with Yarn Plug’n’Play mode

Created by: saberone

Is this a bug report?

Yes

Environment

macOS Mojave (10.14)

The npx create-react-app --info command doesn't work for me.

Steps to Reproduce

1. Install yarn 1.10.1
2. Run npx create-react-app testapp --use-pnp
3. Install yarn 1.12.0-20181002.1534 (nightly)
4. Run npx create-react-app testapp --use-pnp

Expected Behavior

No node_modules folder anymore (duh ;) )

Actual Behavior

node_modules folder was present with both stable yarn as nightly version.