Bug#850286: lambdabot FTBFS in stretch

[Adrian Bunk]

Package: lambdabot
Version: 5.0.3-4
Severity: serious
Tags: stretch sid

# apt-get build-dep lambdabot
Reading package lists... Done
Reading package lists... Done
Building dependency tree... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 builddeps:lambdabot : Depends: libghc-lambdabot-core-dev (< 5.1) but 5.1-2+b3 is to be installed
                       Depends: libghc-lambdabot-haskell-plugins-dev (>= 5.0.3) but it is not installable
                       Depends: libghc-lambdabot-haskell-plugins-dev (< 5.1) but it is not installable
                       Depends: libghc-lambdabot-irc-plugins-dev (< 5.1) but 5.1-2+b3 is to be installed
                       Depends: libghc-lambdabot-misc-plugins-dev (< 5.1) but 5.1-2+b3 is to be installed
                       Depends: libghc-lambdabot-novelty-plugins-dev (< 5.1) but 5.1-2+b3 is to be installed
                       Depends: libghc-lambdabot-reference-plugins-dev (< 5.1) but 5.1-2+b3 is to be installed
                       Depends: libghc-lambdabot-social-plugins-dev (< 5.1) but 5.1-2+b3 is to be installed
E: Unable to correct problems, you have held broken packages.
#