Message appears on swipl-win launch terminal when Python call made by janus

Help!
1

I’m using: SWI-Prolog version 10.1.10-27-gb662174c4

test.pl:

:- use_module(library(janus)).

test :-
    py_call(list, _,  [py_object(true)]).

Run goal which calls py_call/3

101 ?- test.
% Interactive session; added `.` to Python `sys.path`
true.

In the terminal which started swipl-win I see an unexpected message. Is this a symptom of anything untoward?

mike@meepi01:~/odd_and_sods$ swipl-win test.pl
Thread 3 (con1): foreign predicate janus:py_call/3 did not clear exception:
	error(python_error(ModuleNotFoundError,<py_ModuleNotFoundError>(0xffff6c2f28c0)),_19836)
2

Is there a file list.py? To me, both versions give the module not found error. It is a bug that this is not a normal exception. Both versions seem to understand this is an interactive session.

3

Ok. The exception now surfaces as it should. There is also an extension to builtins that provide access to builtin functions and classes as Python objects. So, now we get

101 ?- py_call(builtins:list, L).
% Interactive session; added `.` to Python `sys.path`
L = <py_type>(0x7fafc9fc08a0).
4

Beautiful! Confirmed fix works for me.

Thanks Jan.