This bug was fixed in the package debconf - 1.5.69ubuntu1
--------------- debconf (1.5.69ubuntu1) cosmic; urgency=medium
* Fix readline prompts when run via run-parts (LP: #1822270) - Debconf/FrontEnd/Readline.pm: force output to stdout if both stdout and stderr are pipes
-- Heitor Alves de Siqueira <email address hidden> Mon, 06 May 2019 13:27:55 -0300
This bug was fixed in the package debconf - 1.5.69ubuntu1
---------------
debconf (1.5.69ubuntu1) cosmic; urgency=medium
* Fix readline prompts when run via run-parts (LP: #1822270) FrontEnd/ Readline. pm: force output to stdout if both stdout and
- Debconf/
stderr are pipes
-- Heitor Alves de Siqueira <email address hidden> Mon, 06 May 2019 13:27:55 -0300