environment/lib/python2.7/site-packages/IPython/zmq/ipkernel.py
def init_gui_pylab(self):
        """Enable GUI event loop integration, taking pylab into account."""

        # Provide a wrapper for :meth:`InteractiveShellApp.init_gui_pylab`
        # to ensure that any exception is printed straight to stderr.
        # Normally _showtraceback associates the reply with an execution,
        # which means frontends will never draw it, as this exception
        # is not associated with any execute request.

        shell = self.shell
        _showtraceback = shell._showtraceback
        try:
            # replace pyerr-sending traceback with stderr
            def print_tb(etype, evalue, stb):
                print ("GUI event loop or pylab initialization failed",
                       file=io.stderr)
                print (shell.InteractiveTB.stb2text(stb), file=io.stderr)
            shell._showtraceback = print_tb
            InteractiveShellApp.init_gui_pylab(self)
        finally:
            shell._showtraceback = _showtraceback
def init_gui_pylab(self):
        """Enable GUI event loop integration, taking pylab into account."""

        # Provide a wrapper for :meth:`InteractiveShellApp.init_gui_pylab`
        # to ensure that any exception is printed straight to stderr.
        # Normally _showtraceback associates the reply with an execution,
        # which means frontends will never draw it, as this exception
        # is not associated with any execute request.

        shell = self.shell
        _showtraceback = shell._showtraceback
        try:
            # replace pyerr-sending traceback with stderr
            def print_tb(etype, evalue, stb):
                print ("GUI event loop or pylab initialization failed",
                       file=io.stderr)
                print (shell.InteractiveTB.stb2text(stb), file=io.stderr)
            shell._showtraceback = print_tb
            InteractiveShellApp.init_gui_pylab(self)
        finally:
            shell._showtraceback = _showtraceback
Enable GUI event loop integration, taking pylab into account.