old_contents: from django.urls import path
  
  from . import views
  
  urlpatterns = [
      path('available-slots-of-dates', views.get_available_slots_of_dates),
      path('available-slots', views.get_available_slots),
      path('fill-slot', views.fill_slot),
      path('cancel-slot', views.cancel_slot),
  
  ]
  
new_contents: from django.urls import path
  
  from . import views
  
  urlpatterns = [
      path('available-slots-of-dates', views.get_available_slots_of_dates),
      path('available-slots', views.get_available_slots),
      path('fill-slot', views.fill_slot),
      path('cancel-slot', views.cancel_slot),
  ]
  
subject: Update api/ecp/urls.py