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| @@ -68,6 +68,7 b' class ZMQShellDisplayHook(DisplayHook):' | |||
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68 | 68 | """Finish up all displayhook activities.""" |
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69 | 69 | sys.stdout.flush() |
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70 | 70 | sys.stderr.flush() |
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71 | self.session.send(self.pub_socket, self.msg, ident=self.topic) | |
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71 | if self.msg['content']['data']: | |
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72 | self.session.send(self.pub_socket, self.msg, ident=self.topic) | |
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72 | 73 | self.msg = None |
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73 | 74 | |
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