Student notes error's Openedx Bitnami

When I try and load notes this is the error received.
I am using openedx bitnami version

Traceback (most recent call last):
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/core/handlers/base.py", line 249, in _legacy_get_response
response = self._get_response(request)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/utils/decorators.py", line 185, in inner
return func(*args, **kwargs)
File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 23, in wrapped_view
return view_func(request, *args, **kwargs)
File "/opt/bitnami/apps/edx/edx-platform/lms/djangoapps/edxnotes/views.py", line 62, in edxnotes
notes_info = get_notes(request, course)
File "/opt/bitnami/apps/edx/edx-platform/lms/djangoapps/edxnotes/helpers.py", line 346, in get_notes
raise EdxNotesParseError(("Invalid JSON response received from notes api."))
EdxNotesParseError: \u067e\u0627\u0633\u062e JSON \u0646\u0627\u0645\u0639\u062a\u0628\u0631 \u0627\u0632 \u06cc\u0627\u062f\u062f\u0627\u0634$

Reproduce loading notes on the Bitnami Open edX setup, then inspect lms/djangoapps/edxnotes/views.py at edxnotes and helpers.py at get_notes, especially the JSON parsing failure at line 346. Done means identifying why the notes API response is invalid JSON and making note loading complete without EdxNotesParseError.