Missing Dependency

[Mattc007]

Had this when I vagrant provision'd GL:

[green-lantern] Running provisioner: ansible...
ERROR! Unexpected Exception: No module named markupsafe
the full traceback was:

Traceback (most recent call last):
  File "/usr/local/bin/ansible-playbook", line 73, in <module>
    mycli = getattr(__import__("ansible.cli.%s" % sub, fromlist=[myclass]), myclass)
  File "/usr/local/lib/python2.7/dist-packages/ansible/cli/playbook.py", line 30, in <module>
    from ansible.executor.playbook_executor import PlaybookExecutor
  File "/usr/local/lib/python2.7/dist-packages/ansible/executor/playbook_executor.py", line 27, in <module>
    from ansible.executor.task_queue_manager import TaskQueueManager
  File "/usr/local/lib/python2.7/dist-packages/ansible/executor/task_queue_manager.py", line 28, in <module>
    from ansible.executor.play_iterator import PlayIterator
  File "/usr/local/lib/python2.7/dist-packages/ansible/executor/play_iterator.py", line 29, in <module>
    from ansible.playbook.block import Block
  File "/usr/local/lib/python2.7/dist-packages/ansible/playbook/__init__.py", line 25, in <module>
    from ansible.playbook.play import Play
  File "/usr/local/lib/python2.7/dist-packages/ansible/playbook/play.py", line 27, in <module>
    from ansible.playbook.base import Base
  File "/usr/local/lib/python2.7/dist-packages/ansible/playbook/base.py", line 32, in <module>
    from jinja2.exceptions import UndefinedError
  File "/usr/local/lib/python2.7/dist-packages/jinja2/__init__.py", line 33, in <module>
    from jinja2.environment import Environment, Template
  File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 13, in <module>
    from jinja2 import nodes
  File "/usr/local/lib/python2.7/dist-packages/jinja2/nodes.py", line 19, in <module>
    from jinja2.utils import Markup
  File "/usr/local/lib/python2.7/dist-packages/jinja2/utils.py", line 531, in <module>
    from markupsafe import Markup, escape, soft_unicode
ImportError: No module named markupsafe
Ansible failed to complete successfully. Any error output should be
visible above. Please fix these errors and try again.

Solution was to install a dependency via sudo pip install markupsafe

Source: rdickert/project-quicksilver#6