[Octave-bug-tracker] [bug #65644] jupyter-notebook tests fail if a figure is already open

[Rik]

Update of bug #65644 (group octave):

                  Status:                    None => Confirmed              

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Follow-up Comment #3:

Confirmed on current development branch.  I think the problem is with the
jupyter_notebook code rather than with the test itself.  I extracted the test
code so that I could run it.  The error message is


error: get: invalid handle (= 2)
error: called from
    run at line 399 column 11
    run_all at line 475 column 9
    tst_jup at line 16 column 4


The code in jupyter_notebook.m is


      ## If there are existing plots and newFig is empty, delete it.
      if (exist ("newFig") && isempty (get (newFig, "children")))


Apparently newfig does not exist as a graphics handle.


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