INITIALPATH:7:22: error: • No instance for (Integral String) arising from a use of ‘PyF.Internal.QQ.formatAnyIntegral’ • In the first argument of ‘putStrLn’, namely ‘(((((PyF.Internal.QQ.formatAnyIntegral PyF.Formatters.Decimal) PyF.Formatters.Minus) (Nothing :: Maybe (Int, PyF.Formatters.AnyAlign, Char))) Nothing) hello)’ In the expression: putStrLn (((((PyF.Internal.QQ.formatAnyIntegral PyF.Formatters.Decimal) PyF.Formatters.Minus) (Nothing :: Maybe (Int, PyF.Formatters.AnyAlign, Char))) Nothing) hello) In an equation for ‘main’: main = putStrLn (((((PyF.Internal.QQ.formatAnyIntegral PyF.Formatters.Decimal) PyF.Formatters.Minus) (Nothing :: Maybe (Int, PyF.Formatters.AnyAlign, Char))) Nothing) hello) | 7 | main = putStrLn [fmt|{hello:d}|] | ^^^^^^^^^^^