Ansible installed as advised version 2.0.2 ( CentOS 7.2 , i7 4790 16 GB RAM)

File  playbooks/roles/common/defaults/main.yml has been updated

# overrides configured.
default_disk: 50
default_memory: 4096
default_vcpu: 2

# The undercloud needs more than the default amount of memory
# and disk.
undercloud_memory: 4096
undercloud_disk: 50
undercloud_vcpu: 4

Attempting  to run :-

[root@centos72server tripleo-quickstart]# ansible-playbook playbooks/centosci/minimal.yml  \

                                                                                  -e virthost=centos72server.localdomain

ERROR! playbooks must be a list of plays

The error appears to have been in '/root/tripleo-quickstart/playbooks/centosci/minimal.yml': line 3, column 1, but may be elsewhere in the file depending on the exact syntax problem.

The offending line appears to be:

# for this job, but test all defaults otherwise
step_introspect: true
^ here

Thank you

Boris.