UnTube/backend/charts/urls.py

from django.urls import path
from backend.charts import views

urlpatterns = [
    path('channel-videos-distribution/<slug:playlist_id>', views.channel_videos_distribution, name='channel_videos_distribution'),
    path('overall-playlists-distribution/', views.overall_playlists_distribution, name='overall_playlists_distribution'),
    path('overall-channels-distribution/', views.overall_channels_distribution,
         name='overall_channels_distribution'),

    path('watching-playlists-percent-distribution/', views.watching_playlists_percent_distribution,
         name='watching_playlists_percent_distribution'),

]