diff --git a/python/src/com/jetbrains/python/codeInsight/stdlib/StdlibTypes2.properties b/python/src/com/jetbrains/python/codeInsight/stdlib/StdlibTypes2.properties
index d8c1c0e07307..ed71ee8c45f7 100644
--- a/python/src/com/jetbrains/python/codeInsight/stdlib/StdlibTypes2.properties
+++ b/python/src/com/jetbrains/python/codeInsight/stdlib/StdlibTypes2.properties
@@ -1589,7 +1589,7 @@ math.frexp = \
 
 math.fsum = \
   :type iterable: collections.Iterable of float \n\
-  :rtype: (float, int) \n\
+  :rtype: float \n\
 
 math.gamma = \
   :type x: int or long or float \n\
diff --git a/python/src/com/jetbrains/python/inspections/PyExceptionInheritInspection.java b/python/src/com/jetbrains/python/inspections/PyExceptionInheritInspection.java
index 7afd72321c86..71bb911cd2b7 100644
--- a/python/src/com/jetbrains/python/inspections/PyExceptionInheritInspection.java
+++ b/python/src/com/jetbrains/python/inspections/PyExceptionInheritInspection.java
@@ -48,7 +48,7 @@ public class PyExceptionInheritInspection extends PyInspection {
           if (psiElement instanceof PyClass) {
             PyClass aClass = (PyClass) psiElement;
             for (PyClassRef pyClass : aClass.iterateAncestors()) {
-              if ("Exception".equals(pyClass.getQualifiedName())) {
+              if ("Exception".equals(pyClass.getClassName())) {
                 return;
               }
             }