ImportError: No module named oidc.handlers

[yeago]

File "/opt/tappedout/tapped/base/rest.py", line 16, in
from edx_oauth2_provider.views import TokenView
File "/opt/tappedout/local/lib/python2.7/site-packages/edx_oauth2_provider/views.py", line 16, in
from . import oidc
File "/opt/tappedout/local/lib/python2.7/site-packages/edx_oauth2_provider/oidc/init.py", line 6, in
from .core import IDToken, id_token, userinfo
File "/opt/tappedout/local/lib/python2.7/site-packages/edx_oauth2_provider/oidc/core.py", line 19, in
'id_token': [import_string(cls) for cls in constants.ID_TOKEN_HANDLERS],
File "/opt/tappedout/local/lib/python2.7/site-packages/edx_oauth2_provider/utils.py", line 26, in import_string
module = import_module(module_path)
File "/usr/lib/python2.7/importlib/init.py", line 37, in import_module
import(name)
ImportError: No module named oidc.handlers

Should the constants files be updated to refer to edx_oauth2_providers?