Install django cms error

TASK [deploy : Install djangocms] **********************************************
task path: /vagrant/ansible/roles/deploy/tasks/main.yaml:19
Using module file /usr/lib/python2.7/dist-packages/ansible/modules/commands/command.py
<default> ESTABLISH LOCAL CONNECTION FOR USER: ubuntu
<default> EXEC /bin/sh -c 'echo ~ && sleep 0'
<default> EXEC /bin/sh -c '( umask 77 && mkdir -p "` echo /home/ubuntu/.ansible/tmp/ansible-tmp-1496683130.84-262530446981715 `" && echo ansible-tmp-1496683130.84-262530446981715="` echo /home/ubuntu/.ansible/tmp/ansible-tmp-1496683130.84-262530446981715 `" ) && sleep 0'
<default> PUT /tmp/tmpHlnIF7 TO /home/ubuntu/.ansible/tmp/ansible-tmp-1496683130.84-262530446981715/command.py
<default> EXEC /bin/sh -c 'chmod u+x /home/ubuntu/.ansible/tmp/ansible-tmp-1496683130.84-262530446981715/ /home/ubuntu/.ansible/tmp/ansible-tmp-1496683130.84-262530446981715/command.py && sleep 0'
<default> EXEC /bin/sh -c '/usr/bin/python /home/ubuntu/.ansible/tmp/ansible-tmp-1496683130.84-262530446981715/command.py; rm -rf "/home/ubuntu/.ansible/tmp/ansible-tmp-1496683130.84-262530446981715/" > /dev/null 2>&1 && sleep 0'
fatal: [default]: FAILED! => {
    "changed": true,
    "cmd": "/var/www/site/bin/djangocms -f -p /var/www/site/meine_seite mysite",
    "delta": "0:00:02.815588",
    "end": "2017-06-05 17:18:53.815505",
    "failed": true,
    "invocation": {
        "module_args": {
            "_raw_params": "/var/www/site/bin/djangocms -f -p /var/www/site/meine_seite mysite",
            "_uses_shell": true,
            "chdir": "/var/www/site/meine_seite",
            "creates": null,
            "executable": null,
            "removes": null,
            "warn": true
        }
    },
    "rc": 1,
    "start": "2017-06-05 17:18:50.999917",
    "stderr": "Traceback (most recent call last):\n  File \"/var/www/site/bin/djangocms\", line 11, in <module>\n    sys.exit(execute())\n  File \"/var/www/site/local/lib/python2.7/site-packages/djangocms_installer/main.py\", line 33, in execute\n    verbose=config_data.verbose\n  File \"/var/www/site/local/lib/python2.7/site-packages/djangocms_installer/install/__init__.py\", line 98, in requirements\n    logger.error('cmd : %s :%s' % (e.cmd, e.output))\nAttributeError: 'exceptions.OSError' object has no attribute 'cmd'",
    "stderr_lines": [
        "Traceback (most recent call last):",
        "  File \"/var/www/site/bin/djangocms\", line 11, in <module>",
        "    sys.exit(execute())",
        "  File \"/var/www/site/local/lib/python2.7/site-packages/djangocms_installer/main.py\", line 33, in execute",
        "    verbose=config_data.verbose",
        "  File \"/var/www/site/local/lib/python2.7/site-packages/djangocms_installer/install/__init__.py\", line 98, in requirements",
        "    logger.error('cmd : %s :%s' % (e.cmd, e.output))",
        "AttributeError: 'exceptions.OSError' object has no attribute 'cmd'"
    ],
    "stdout": "Creating the project\nPlease wait while I install dependencies\nThe installation has failed.\n\n\n*****************************************************************\n\nCheck documentation at https://djangocms-installer.readthedocs.io\n\n*****************************************************************",
    "stdout_lines": [
        "Creating the project",
        "Please wait while I install dependencies",
        "The installation has failed.",
        "",
        "",
        "*****************************************************************",
        "",
        "Check documentation at https://djangocms-installer.readthedocs.io",
        "",
        "*****************************************************************"
    ]
}
	to retry, use: --limit @/vagrant/ansible/roles/playbook.retry

PLAY RECAP *********************************************************************
default                    : ok=8    changed=0    unreachable=0    failed=1

Ansible failed to complete successfully. Any error output should be
visible above. Please fix these errors and try again.