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jupyter-channel-alive-p: Handle an invalid ioloop process

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Nathaniel Nicandro 2019-02-14 23:08:00 -06:00
parent fafdf0d1b2
commit 67befbc10c
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1 changed files with 3 additions and 2 deletions
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jupyter-client.el
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@ -484,9 +484,10 @@ kernel via CLIENT's ioloop."
(cl-defmethod jupyter-channel-alive-p ((client jupyter-kernel-client) channel)
(cl-assert (memq channel '(:hb :stdin :shell :iopub)) t)
(with-slots (channels) client
(with-slots (ioloop channels) client
(if (not (eq channel :hb))
(plist-get (plist-get channels channel) :alive-p)
(when (and ioloop (jupyter-ioloop-alive-p ioloop))
(plist-get (plist-get channels channel) :alive-p))
(setq channel (plist-get channels :hb))
;; The hb channel is implemented locally in the current process whereas the
;; other channels are implemented in subprocesses and the current process