set shorter cache livespan for onair.json

panikweb/views.py

@@ -2,6 +2,7 @@ from datetime import datetime, timedelta
 import time
 import math
 
+from django.views.decorators.cache import cache_control
 from django.views.generic.base import TemplateView
 from django.views.generic.detail import DetailView
 from django.views.decorators.csrf import csrf_exempt
@@ -442,6 +443,7 @@ class Listen(TemplateView):
 listen = Listen.as_view()
 
 
+@cache_control(max_age=25)
 @csrf_exempt
 @to_json('api')
 def onair(request):