- url(r'^$', 'letter_notes', name='dictionary_notes'),
- url(r'(?P<letter>[a-z])/$', 'letter_notes', name='dictionary_notes'),
+ url(r'^$', NotesView.as_view(), name='dictionary_notes'),
+ url(r'(?P<letter>[a-z]|0-9)/$', NotesView.as_view(), name='dictionary_notes'),