Fish shell error: __fish_pwd in command substitution called on standard input

[Pierre Neidhardt]

Since recently I've noticed the following error when starting the fish
shell and on every command execution:

--8<---------------cut here---------------start------------->8---
> fish
fish: 
__fish_pwd
^
in command substitution
        called on standard input

in command substitution
        called on standard input

ambrevar@mimimi > ls
ambrevar@mimimi > ls
booking.html
fish: 
__fish_pwd
^
in command substitution
        called on standard input

in command substitution
        called on standard input
--8<---------------cut here---------------end--------------->8---

Is anyone else seeing this?

-- 
Pierre Neidhardt

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