fix isinstance() check on get_queryset()

Author: Umut Bozkurt

rest_framework_mongoengine/generics.py

@@ -2,6 +2,7 @@
 from rest_framework import generics as drf_generics
 
 from mongoengine.django.shortcuts import get_document_or_404
+from mongoengine.queryset import BaseQuerySet
 
 
 class GenericAPIView(drf_generics.GenericAPIView):
@@ -10,6 +11,17 @@ class GenericAPIView(drf_generics.GenericAPIView):
     """
     lookup_field = 'id'
 
+    def get_queryset(self):
+        """
+        Re evaluate queryset, fixes #63
+        """
+        queryset = super(GenericAPIView, self).get_queryset()
+
+        if isinstance(queryset, BaseQuerySet):
+            queryset = queryset.all()
+
+        return queryset
+
     def get_object(self):
         """
         *** Inherited from DRF 3 GenericAPIView, swapped get_object_or_404() with get_document_or_404() ***