Update urls.py

Volume url

app/api/urls.py

@@ -28,7 +28,8 @@ urlpatterns = [
     url(r'projects/(?P<project_pk>[^/.]+)/tasks/(?P<pk>[^/.]+)/download/(?P<asset>.+)$', TaskDownloads.as_view()),
 
     url(r'projects/(?P<project_pk>[^/.]+)/tasks/(?P<pk>[^/.]+)/assets/(?P<unsafe_asset_path>.+)$', TaskAssets.as_view()),
+    url(r'projects/(?P<project_pk>[^/.]+)/tasks/(?P<pk>[^/.]+)/volume$', TaskVolume.as_view()),
 
     url(r'^auth/', include('rest_framework.urls')),
     url(r'^token-auth/', obtain_jwt_token),
-]
+]