maybe this fixes hs-simple-sendfile
Success: net/hs-simple-sendfile v0.2.15
Success: www/hs-warp v3.0.0.5
Success: www/hs-warp-tls v3.0.0
Success: www/hs-wai-app-static v3.0.0
Success: devel/hs-hoogle v4.2.34
Success: www/hs-yesod-core v1.2.19
Success: www/hs-yesod-bin v1.2.12.3
Success: www/hs-yesod-persistent v1.2.3
Success: www/hs-yesod-test v1.2.3.2
Success: www/hs-yesod-static v1.2.4