[/api/v1/elevation/] NoneType object has no attribute split

[nemesifier]

Internal Server Error: /api/v1/elevation/
Traceback (most recent call last):
  File "/usr/local/lib/virtualenvs/nodeshot/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 132, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/local/lib/virtualenvs/nodeshot/local/lib/python2.7/site-packages/django/views/decorators/csrf.py", line 58, in wrapped_view
    return view_func(*args, **kwargs)
  File "/usr/local/lib/virtualenvs/nodeshot/local/lib/python2.7/site-packages/django/views/generic/base.py", line 71, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/local/lib/virtualenvs/nodeshot/local/lib/python2.7/site-packages/rest_framework/views.py", line 466, in dispatch
    response = self.handle_exception(exc)
  File "/usr/local/lib/virtualenvs/nodeshot/local/lib/python2.7/site-packages/rest_framework/views.py", line 463, in dispatch
    response = handler(request, *args, **kwargs)
  File "/usr/local/lib/virtualenvs/nodeshot/local/lib/python2.7/site-packages/rest_framework/decorators.py", line 53, in handler
    return func(*args, **kwargs)
  File "/usr/local/lib/virtualenvs/nodeshot/local/lib/python2.7/site-packages/nodeshot/core/nodes/views.py", line 259, in elevation_profile
    sampling=ELEVATION_DEFAULT_SAMPLING))
  File "/usr/local/lib/virtualenvs/nodeshot/local/lib/python2.7/site-packages/geojson_elevation/backends/google.py", line 18, in elevation
    for latlng in path.split('|'):
AttributeError: 'NoneType' object has no attribute 'split'