1 files changed, 16 insertions, 1 deletions
diff --git a/Lib/python/pycontainer.swg b/Lib/python/pycontainer.swg
index dcada87c7..e5543cd6b 100644
--- a/Lib/python/pycontainer.swg
+++ b/Lib/python/pycontainer.swg
@@ -710,7 +710,8 @@ namespace swig
 #if defined(SWIGPYTHON_BUILTIN)
   %feature("python:slot", "tp_iter", functype="getiterfunc") iterator;
 #else
-  %pythoncode {def __iter__(self): return self.iterator()}
+  %pythoncode {def __iter__(self):
+    return self.iterator()}
 #endif
   }
 
@@ -873,6 +874,13 @@ namespace swig
       *(swig::getpos(self,i)) = x;
     }
 
+#if defined(SWIGPYTHON_BUILTIN)
+    // This will be called through the mp_ass_subscript slot to delete an entry.
+    void __setitem__(difference_type i) throw (std::out_of_range) {
+      self->erase(swig::getpos(self,i));
+    }
+#endif
+
     void append(const value_type& x) {
       self->push_back(x);
     }
@@ -891,6 +899,13 @@ namespace swig
       *(swig::getpos(self,i)) = x;
     }
 
+#if defined(SWIGPYTHON_BUILTIN)
+    // This will be called through the mp_ass_subscript slot to delete an entry.
+    void __setitem__(difference_type i) throw (std::out_of_range) {
+      self->erase(swig::getpos(self,i));
+    }
+#endif
+
     void append(value_type x) {
       self->push_back(x);
     }