urlpatterns = [
path('source/<int:pk>/', views.SourceView.as_view(), name='source'),
path('upload/<int:sid>/', views.SourceUploadView.as_view(), name='source_upload'),
- path('prepare/<int:bsid>/', views.prepare, name='source_book_prepare'),
+ path('prepare/book/<int:pk>/', views.prepare, name='source_book_prepare'),
]