diff --git a/gracedb/api/v1/main/views.py b/gracedb/api/v1/main/views.py
index 9164e7fa2bc37a42fcfc231abd7683a0c6ec3248..b1bb7420ff3e7bdad005d9d29889b4527d8bd0f2 100644
--- a/gracedb/api/v1/main/views.py
+++ b/gracedb/api/v1/main/views.py
@@ -192,13 +192,13 @@ class UserInfoView(RetrieveAPIView):
 
     #def get_serializer_class(self):
     #    # Override so we can use custom behavior for unauthenticated users
-    #    if self.request.user.is_anonymous():
+    #    if self.request.user.is_anonymous:
     #        return AnonymousUserSerializer
     #    else:
     #        return self.serializer_class
 
     def retrieve(self, request, *args, **kwargs):
-        if request.user.is_anonymous():
+        if request.user.is_anonymous:
             output = {'username': 'AnonymousUser'}
         else:
             instance = request.user
diff --git a/gracedb/core/models.py b/gracedb/core/models.py
index d291978ec6a4ef670dbe9776584d98d308c28a3c..b3f36fb00ddff9cdcb694e81f41e6d88f079dd6a 100644
--- a/gracedb/core/models.py
+++ b/gracedb/core/models.py
@@ -109,7 +109,7 @@ class AutoIncrementModel(models.Model):
         query = models.sql.InsertQuery(self.__class__)
         query.insert_values(fields, objs=[self])
         compiler = query.get_compiler(using=self.__class__._base_manager.db)
-        compiler.return_id = meta.has_auto_field and not pk_set
+        compiler.return_id = meta.auto_field is not None and not pk_set
 
         # Useful function
         qn = compiler.quote_name_unless_alias
diff --git a/gracedb/events/reports.py b/gracedb/events/reports.py
index aeaa82f0fec37c04b715b6355f63c478ca03cf6e..4edb249792e7cc84befb3bf5cb633fe2177f806c 100644
--- a/gracedb/events/reports.py
+++ b/gracedb/events/reports.py
@@ -131,7 +131,7 @@ def to_png_image(out = sys.stdout):
 @internal_user_required
 def cbc_report(request, format=""):
 
-    if not request.user or not request.user.is_authenticated():
+    if not request.user or not request.user.is_authenticated:
         return HttpResponseForbidden("Forbidden")
 
     if request.method == "GET":