input child document doesn't work

[Alwin van Steensel]

Dear people in the LyX users group,

I hope this is the right place to ask this question, if not I apologize.
I've tried to find an answer by Googling and in the archive of this mailing
list but couldn't find an answer.

My question is regarding the function to insert a child document into a LyX
document using the input type insertion. When I insert another LyX file
into my current LyX file

insert > file > child document

and in the pop-up windows choose browse and select a file and choose the
include type to be

input

nothing happens. Nothing is added into the document. (If the document was
saved before trying this and I close the file afterwards, it doesn't ask me
if I want to save the document of discard the changes. So the attempt to
insert a document didn't make any changes in the document.)

Some system details:

LyX 2.3.7
MacOS version 13.1 Ventura
Tex Live 2017 (on path)

Additional info:


   - It used to work half a year ago:
   The function did work before. I've not been using LyX for about 5 months
   but last time I did, it did work. According to the last date the files were
   edited it still worked 10th of October 2022. I was using an older version
   of LyX at the time and updated it only yesterday to see if it would solve
   the problem. The older LyX version is not a very old version though, I
   believe it was a 2.3.x version.
   - The only thing changed on my system (I believe) is the MacOS version:
   Therefore at first glance it seems to me that it has something to do
   with updating my MacOS operating system to Monterey earlier and Ventura
   now. From the LyX download page <https://www.lyx.org/Download> I
   understand these newer versions of MacOS no longer include a Python
   interpreter which LyX needs to work. It refers to this page
   <https://wiki.lyx.org/Mac/Mac#toc2> which shows how to install Python.
   However, python is already installed on my system and on my path, i.e. the
   command 'python3' starts a python session in my terminal. The command
   'python' (no 3 at the end) gives an error (perhaps LyX wants to use this
   command?). The page also describes a message popping up when first opening
   LyX after a fresh install and Python is not found on the system, I don't
   remember such a message popping up when I first started LyX after the new
   installation. I just reinstalled LyX again to see if it would pop up now
   but it didn't. It seems Python is there and LyX can find it (I didn't get a
   pop up message) but I am not certain. I wouldn't know what else could be
   the problem.

Any help would be greatly appreciated. If any more information is needed I
will provide it as best as I can. Thank you in advance.

Best regards,

Alwin



G.A. van Steensel
Kapuzinerstraße 7
52428 Jülich, Germany
tel: +316 22122 060
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