https://buildd.debian.org/status/package.php?p=haskell-repline&suite=sid

...
src/System/Console/Repline.hs:142:1: error:
    Could not find module ‘System.Console.Haskeline.MonadException’
    Perhaps you meant
      System.Console.Haskeline.Completion (from haskeline-0.8.2)
      System.Console.Haskeline.Monads
      System.Console.Haskeline.Command.Completion
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
    |
142 | import System.Console.Haskeline.MonadException
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 107.
	Debian::Debhelper::Buildsystem::Haskell::Recipes::run_quiet("debian/hlibrary.setup", "haddock", "--builddir=dist-ghc", "--with-haddock=/usr/bin/haddock", "--with-ghc=ghc", "--verbose=2", "--html", "--hoogle", ...) called at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 131
	Debian::Debhelper::Buildsystem::Haskell::Recipes::run("debian/hlibrary.setup", "haddock", "--builddir=dist-ghc", "--with-haddock=/usr/bin/haddock", "--with-ghc=ghc", "--verbose=2", "--html", "--hoogle", ...) called at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 707
	Debian::Debhelper::Buildsystem::Haskell::Recipes::haddock_recipe() called at -e line 1
make: *** [/usr/share/cdbs/1/class/hlibrary.mk:153: build-ghc-stamp] Error 25

We believe that the bug you reported is fixed in the latest version of
haskell-repline, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1014012@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Ilias Tsitsimpis <iliastsi@debian.org> (supplier of updated haskell-repline package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sun, 03 Jul 2022 13:48:17 +0300
Source: haskell-repline
Architecture: source
Version: 0.4.2.0-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Haskell Group <pkg-haskell-maintainers@lists.alioth.debian.org>
Changed-By: Ilias Tsitsimpis <iliastsi@debian.org>
Closes: 1014012
Changes:
 haskell-repline (0.4.2.0-1) unstable; urgency=medium
 .
   * New upstream release (Closes: #1014012)
   * Declare compliance with Debian policy 4.6.1
Checksums-Sha1:
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 7a591d4bedc73d5952b537c248d073360ca06e2a 9719 haskell-repline_0.4.2.0.orig.tar.gz
 ddeae1b4d7fda361392ad3efa63e06f5faaeba0c 2040 haskell-repline_0.4.2.0-1.debian.tar.xz
 650ec39b4c162e871fc759d44f844d9f4e8a8a6f 8328 haskell-repline_0.4.2.0-1_amd64.buildinfo
Checksums-Sha256:
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Files:
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 56ccb81fd821212e1c9544ff2394ed01 9719 haskell optional haskell-repline_0.4.2.0.orig.tar.gz
 aab02bd0fb5939e662743a699670a0f6 2040 haskell optional haskell-repline_0.4.2.0-1.debian.tar.xz
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