update

config/settings.py

@@ -51,6 +51,7 @@ INSTALLED_APPS = [
     'leaflet',
     'leaflet_admin_list',
     'rog.apps.RogConfig',
+    'django_filters',
 ]
 
 MIDDLEWARE = [
@@ -165,3 +166,7 @@ LEAFLET_CONFIG = {
     'TILES': [('Satellite', 'https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {'attribution': '© ESRI', 'maxZoom': 19}),
           ('Streets', 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {'attribution': '© Contributors'})]
 }
+
+REST_FRAMEWORK = {
+    'DEFAULT_FILTER_BACKENDS': ['django_filters.rest_framework.DjangoFilterBackend']
+}