/usr/ is in libghc-transformers-base-prof 0.4.4-6build1.
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/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/transformers-base-0.4.4-4JWVtuTd5KX4LSw5ilemWP/Control/Monad/Base.p_hi
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