No module named markupsafe

[nicolabeghin]

Hi everyone
I got this error while provisioning protobox:

==> default: Running pip install ansible
==> default: Finished pip install ansible
==> default: Installing ansible hosts
==> default: Running ansible-playbook /vagrant/.protobox/playbook --connection=local --extra-vars="protobox_env=vagrant protobox_config=/vagrant/data/config/common.yml"
==> default: ERROR! Unexpected Exception: No module named markupsafe
==> default: the full traceback was:
==> default:
==> default: Traceback (most recent call last):
==> default: File "/usr/local/bin/ansible-playbook", line 78, in
==> default: mycli = getattr(import("ansible.cli.%s" % sub, fromlist=[myclass]), myclass)
==> default: File "/usr/local/lib/python2.7/dist-packages/ansible/cli/playbook.py", line 30, in
==> default: from ansible.executor.playbook_executor import PlaybookExecutor
==> default: File "/usr/local/lib/python2.7/dist-packages/ansible/executor/playbook_executor.py", line 25, in
==> default: from ansible.executor.task_queue_manager import TaskQueueManager
==> default: File "/usr/local/lib/python2.7/dist-packages/ansible/executor/task_queue_manager.py", line 29, in
==> default: from ansible.executor.play_iterator import PlayIterator
==> default: File "/usr/local/lib/python2.7/dist-packages/ansible/executor/play_iterator.py", line 30, in
==> default: from ansible.playbook.block import Block
==> default: File "/usr/local/lib/python2.7/dist-packages/ansible/playbook/init.py", line 27, in
==> default: from ansible.playbook.play import Play
==> default: File "/usr/local/lib/python2.7/dist-packages/ansible/playbook/play.py", line 27, in
==> default: from ansible.playbook.base import Base
==> default: File "/usr/local/lib/python2.7/dist-packages/ansible/playbook/base.py", line 29, in
==> default: from jinja2.exceptions import UndefinedError
==> default: File "/usr/local/lib/python2.7/dist-packages/jinja2/init.py", line 33, in
==> default: from jinja2.environment import Environment, Template
==> default: File "/usr/local/lib/python2.7/dist-packages/jinja2/environment.py", line 15, in
==> default: from jinja2 import nodes
==> default: File "/usr/local/lib/python2.7/dist-packages/jinja2/nodes.py", line 19, in
==> default: from jinja2.utils import Markup
==> default: File "/usr/local/lib/python2.7/dist-packages/jinja2/utils.py", line 624, in
==> default: from markupsafe import Markup, escape, soft_unicode
==> default: ImportError: No module named markupsafe
==> default: Finished ansible-playbook
==> default: Running provisioner: shell...