create-graphql init Spawn error
$  create-graphql init AwesomeProject

✓ GraphQL project AwesomeProject created.
⠋ Creating a new GraphQL project...events.js:160
      throw er; // Unhandled 'error' event
      ^

Error: spawn yarn ENOENT
    at exports._errnoException (util.js:1026:11)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:193:32)
    at onErrorNT (internal/child_process.js:359:16)
    at _combinedTickCallback (internal/process/next_tick.js:74:11)
    at process._tickCallback (internal/process/next_tick.js:98:9)

<img width="630" alt="captura de tela 2017-02-07 as 11 54 50" src="https://cloud.githubusercontent.com/assets/66042/22693899/47b005ce-ed2c-11e6-8105-0de96bb0e63c.png">


Any idea?