Issue with group_vars OSError: [Errno 20] Not a directory:

Using /etc/ansible/ansible.cfg as config file
ERROR! Unexpected Exception: [Errno 20] Not a directory: ‘/vagrant/ansible/playbooks/qa/group_vars’
the full traceback was:

Traceback (most recent call last):
File “/usr/bin/ansible-playbook”, line 103, in
exit_code = cli.run()
File “/usr/lib/python2.7/dist-packages/ansible/cli/playbook.py”, line 159, in run
results = pbex.run()
File “/usr/lib/python2.7/dist-packages/ansible/executor/playbook_executor.py”, line 82, in run
self._inventory.set_playbook_basedir(os.path.realpath(os.path.dirname(playbook_path)))
File “/usr/lib/python2.7/dist-packages/ansible/inventory/init.py”, line 752, in set_playbook_basedir
found_group_vars = self._find_group_vars_files(self._playbook_basedir)
File “/usr/lib/python2.7/dist-packages/ansible/inventory/init.py”, line 783, in _find_group_vars_files
found_vars = set(os.listdir(to_text(path)))
OSError: [Errno 20] Not a directory: ‘/vagrant/ansible/playbooks/qa/group_vars’

Iam getting above error,any help will be appreciated

fixed in https://github.com/ansible/ansible/commit/6f5ecb7efd6fc99a0279051e5b06d118376ea819