UPDATE

sensor_7_in_1/urls.py

@@ -0,0 +1,9 @@
+from django.urls import path
+
+from .views import Sensor7In1SummaryView
+
+
+urlpatterns = [
+    path("summary/", Sensor7In1SummaryView.as_view(), name="sensor-7-in-1-summary"),
+]
+