What version are you running?
3.0.14
What's the URL of the page containing the problem?
account/preferences/
What steps will reproduce the problem?

Disable Gravatar from the admin -> Avatars
Upload an avatar using the "file upload" option
Save it ... kaboom ... error 500


What is the expected output? What do you see instead?
to upload the image without a 500 
What operating system are you using? What browser?
Windows / Chrome
Please provide any additional information below.
Traceback (most recent call last):

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/core/handlers/base.py", line 112, in get_response

    response = wrapped_callback(request, callback_args, callback_kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/views/generic/base.py", line 69, in view

    return self.dispatch(request, *args, kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/utils/decorators.py", line 29, in _wrapper

    return bound_func(args, kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/contrib/auth/decorators.py", line 22, in _wrapped_view

    return view_func(request, *args, kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/utils/decorators.py", line 25, in bound_func

    return func(self, args2, kwargs2)

  File "/usr/local/lib/python2.7/dist-packages/Djblets-1.0.11-py2.7.egg/djblets/util/decorators.py", line 77, in _call

    f = augmented_func(*args, kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/utils/decorators.py", line 29, in _wrapper

    return bound_func(args, kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/utils/decorators.py", line 99, in _wrapped_view

    response = view_func(request, *args, kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/utils/decorators.py", line 25, in bound_func

    return func(self, args2, kwargs2)

  File "/usr/local/lib/python2.7/dist-packages/Djblets-1.0.11-py2.7.egg/djblets/configforms/views.py", line 90, in dispatch

    return super(ConfigPagesView, self).dispatch(request, *args, kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Django-1.6.11-py2.7.egg/django/views/generic/base.py", line 87, in dispatch

    return handler(request, args, **kwargs)

  File "/usr/local/lib/python2.7/dist-packages/Djblets-1.0.11-py2.7.egg/djblets/configforms/views.py", line 134, in post

    rsp = form.save()

  File "/usr/local/lib/python2.7/dist-packages/Djblets-1.0.11-py2.7.egg/djblets/avatars/forms.py", line 240, in save

    self.settings_manager.avatar_service_id)

  File "/usr/local/lib/python2.7/dist-packages/Djblets-1.0.11-py2.7.egg/djblets/avatars/registry.py", line 174, in get_avatar_service

    service_id=avatar_service_id))

DisabledServiceError: Could not fetch instance of gravatar service: This service is disabled.

pschwartz@reviewboard:~$