KeyError at /contact/foundation/

[timgraham]

If the contact form is submitted with an empty "name" field, but with the rest of the other fields filled:

Stacktrace (most recent call last):

  File "django/core/handlers/base.py", line 111, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "django/views/generic/base.py", line 69, in view
    return self.dispatch(request, *args, **kwargs)
  File "django/views/generic/base.py", line 87, in dispatch
    return handler(request, *args, **kwargs)
  File "django/views/generic/edit.py", line 172, in post
    if form.is_valid():
  File "django/forms/forms.py", line 162, in is_valid
    return self.is_bound and not bool(self.errors)
  File "django/forms/forms.py", line 154, in errors
    self.full_clean()
  File "django/forms/forms.py", line 353, in full_clean
    self._clean_fields()
  File "django/forms/forms.py", line 371, in _clean_fields
    value = getattr(self, 'clean_%s' % name)()
  File "contact/forms.py", line 52, in clean_body
    'comment_author': self.cleaned_data['name'],