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-rw-r--r--src/Propellor/Container.hs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/Propellor/Container.hs b/src/Propellor/Container.hs
index c4d6f864..26194456 100644
--- a/src/Propellor/Container.hs
+++ b/src/Propellor/Container.hs
@@ -43,6 +43,9 @@ propagateContainer
::
-- Since the children being added probably have info,
-- require the Property's metatypes to have info.
+ -- -Wredundant-constraints is turned off because
+ -- this constraint appears redundant, but is actually
+ -- crucial.
( IncludesInfo metatypes ~ 'True
, IsContainer c
)