fix checkout data

kfet/templates/kfet/kpsul.html

@@ -959,7 +959,6 @@ $(document).ready(function() {
     function getHistory() {
         var data = {
             from: moment().subtract(1, 'days').format('YYYY-MM-DD HH:mm:ss'),
-            limit: 20,
         };
         $.ajax({
             dataType: "json",

kfet/views.py

@@ -819,7 +819,9 @@ def account_read_json(request):
 
 @teamkfet_required
 def kpsul_checkout_data(request):
-    pk   = request.POST.get('pk', 0)
+    pk = request.POST.get('pk', 0)
+    if not pk:
+        pk = 0
     try:
         data = (Checkout.objects
             .annotate(