checking polar auth flow

rowers/views/importviews.py

@@ -407,6 +407,14 @@ def rower_process_twittercallback(request): # pragma: no cover
 # Process Polar Callback
 @login_required()
 def rower_process_polarcallback(request): # pragma: no cover
+
+    error = request.GET.get['error','no error']
+    dologging('polar.log','Callback: {error}'.format(error=error))
+    if error == 'no error':
+        messages.error(request,error)
+        url = reverse('rower_exportsettings_view')
+        return HttpResponseRedirect(url)
+
     try:
         code = request.GET['code']
     except MultiValueDictKeyError: