bufix for call to structured_traceback

IPython/core/interactiveshell.py

@@ -2033,7 +2033,7 b' class InteractiveShell(SingletonConfigurable):'
                     print(self.InteractiveTB.stb2text(stb))
                     print("The original exception:")
                     stb = self.InteractiveTB.structured_traceback(
-                                            (etype,value,tb), tb_offset=tb_offset
+                                            etype, value, tb, tb_offset=tb_offset
                     )
                 return stb