emacs-jupyter/jupyter

Output format irregular with :async yes

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#275 opened on Jul 26, 2020

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Description

I just tested the :async yes header, and noticed that the output format becomes irregular. For example, here's a code block to show what I mean (the formatting is nice and regular if I remove the `:async yes'):

#+begin_src jupyter-stata :session stata :async yes
webuse auto
summ
#+end_src

and here's the corresponding output:

#+RESULTS:
#+begin_example

  (1978 Automobile Data)


      Variable |        Obs        Mean    Std. Dev.       Min        Max
  -------------+---------------------------------------------------------
          make |          0
         price |         74    6165.257    2949.496       3291      15906
           mpg |         74     21.2973    5.785503         12         41
         rep78 |         69    3.405797    .9899323          1          5
  headroom |         74    2.993243    .8459948        1.5          5
  -------------+---------------------------------------------------------
  trunk |         74    13.75676    4.277404          5         23
  weight |         74    3019.459    777.1936       1760       4840
  length |         74    187.9324    22.26634        142        233
  turn |         74    39.64865    4.399354         31         51
  displacement |         74    197.2973    91.83722         79        425
  -------------+---------------------------------------------------------
  gear_ratio |         74    3.014865    .4562871       2.19       3.89
  foreign |         74    .2972973    .4601885          0          1
#+end_example

Here is the much prettier output from the same command block without the :async yes header option:

#+RESULTS:
#+begin_example

  (1978 Automobile Data)


      Variable |        Obs        Mean    Std. Dev.       Min        Max
  -------------+---------------------------------------------------------
          make |          0
         price |         74    6165.257    2949.496       3291      15906
           mpg |         74     21.2973    5.785503         12         41
         rep78 |         69    3.405797    .9899323          1          5
      headroom |         74    2.993243    .8459948        1.5          5
  -------------+---------------------------------------------------------
         trunk |         74    13.75676    4.277404          5         23
        weight |         74    3019.459    777.1936       1760       4840
        length |         74    187.9324    22.26634        142        233
          turn |         74    39.64865    4.399354         31         51
  displacement |         74    197.2973    91.83722         79        425
  -------------+---------------------------------------------------------
    gear_ratio |         74    3.014865    .4562871       2.19       3.89
       foreign |         74    .2972973    .4601885          0          1
#+end_example

Contributor guide

Research direction
Examine the async execution code path in the jupyter package. Compare the output rendering between synchronous and asynchronous modes to find where whitespace formatting changes.
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None
Domain
developer experiencetooling
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
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1-3 hours
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Active
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Clear
Prerequisites
GitEmacs Lisp
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75