diff --git a/CHANGES.current b/CHANGES.current
index eb109a6b0..651df4e2e 100644
--- a/CHANGES.current
+++ b/CHANGES.current
@@ -5,6 +5,11 @@ See the RELEASENOTES file for a summary of changes in each release.
 Version 2.0.8 (in progress)
 ===========================
 
+2012-08-15: wsfulton
+            [Python] Add discard and add methods to std::set wrappers so that pyabc.i can be used ensuring
+            MutableSet is a valid abstract base class for std::set. As reported by Alexey Sokolov.
+            Similarly for std::multiset.
+
 2012-08-15: wsfulton
             [Python] Fix #3541744 - Missing PyInt_FromSize_t calls for Python 3.
 
diff --git a/Examples/test-suite/python/python_abstractbase_runme3.py b/Examples/test-suite/python/python_abstractbase_runme3.py
index b7593f109..94dee3ff7 100644
--- a/Examples/test-suite/python/python_abstractbase_runme3.py
+++ b/Examples/test-suite/python/python_abstractbase_runme3.py
@@ -10,3 +10,11 @@ assert issubclass(IntSet, MutableSet)
 assert issubclass(IntMultiset, MutableSet)
 assert issubclass(IntVector, MutableSequence)
 assert issubclass(IntList, MutableSequence)
+
+mapii = Mapii()
+multimapii = Multimapii()
+intset = IntSet()
+intmultiset = IntMultiset()
+intvector = IntVector()
+intlist = IntList()
+
diff --git a/Lib/python/std_set.i b/Lib/python/std_set.i
index 59f69cdc9..53f97e475 100644
--- a/Lib/python/std_set.i
+++ b/Lib/python/std_set.i
@@ -49,6 +49,14 @@
        return *(swig::cgetpos(self, i));
      }
 
+     void add(value_type x) {
+       self->insert(x);
+     }
+
+     void discard(value_type x) {
+       self->erase(x);
+     }
+
   };
 %enddef