witherable 0.3.2 instances collide with reflex, fix to 0.3.1
witherable 0.3.2 adds instances that collide with reflex this fixes the build problem
for reference: https://github.com/fumieval/witherable/blob/master/CHANGELOG.md
and without this fix the error is:
src/Data/AppendMap.hs:49:10: error:
Duplicate instance declarations:
instance W.Filterable (MonoidalMap k)
-- Defined at src/Data/AppendMap.hs:49:10
instance W.Filterable (MonoidalMap k)
-- Defined in ‘Data.Witherable’