pickleshare: survive corrupt pickles

IPython/Extensions/pickleshare.py

@@ -134,7 +134,12 b' class PickleShareDB(UserDict.DictMixin):'
         
         for f in hfiles:
             # print "using",f
-            all.update(self[f])
+            try:
+                all.update(self[f])
+            except KeyError:
+                print "Corrupt",f,"deleted - hset is not threadsafe!"
+                del self[f]
+                
             self.uncache(f)
         
         return all
@@ -351,4 +356,4 b' def main():'
 if __name__== "__main__":
     main()
     
-    
  No newline at end of file
+