title: syntax error with ansible playbook role when using block
body: <p>I am trying to use blocks with ansible 2.1 inside a role task file but getting a sytax error as copied below:</p>
  
  <pre><code>---
  - name: transferring debian artifact to server
    - block:
       - copy:
           src: "{{ lookup('fileglob','{{base_git_path}}testserver/target/*.deb', wantlist=true) | first }}"
           dest: "{{base_destination_path}}"
           owner: xyz
           group: xyz
           mode: 644
           become: true
      rescue:
       - debug: msg="error while locating debian file in tmp directory"
  </code></pre>
  
  <p><strong>syntax error</strong></p>
  
  <pre><code>fatal: [akka_1]: FAILED! =&gt; {"failed": true, "reason": "Syntax Error while loading YAML.\n\n\nThe error appears to have been in '/home/user/test/ansible/testproj/playbooks/roles/tmp3/tasks/synchronize.yml': line 3, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n- name: transferring debian artifact to server\n  - block:\n  ^ here\n"}
  </code></pre>