install scala ansible 2.1

scala.yml

- hosts: localhost
  become: yes
  connection: local

  tasks:
    - apt_key:
          keyserver: keyserver.ubuntu.com
          id: 642AC823

    - apt_repository:
          repo: 'deb https://dl.bintray.com/sbt/debian /'
          state: present
      register: repo

    - apt: update_cache=yes
      when: repo.changed

    - apt:
          package: sbt


    - apt:
          deb: http://downloads.lightbend.com/scala/2.11.8/scala-2.11.8.deb