INITIALPATH:7:22: error: [GHC-39999] • 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.Octal PyF.Formatters.Minus (Nothing :: Maybe (Int, PyF.Formatters.AnyAlign, Char)) Nothing hello)’ In the expression: putStrLn (PyF.Internal.QQ.formatAnyIntegral PyF.Formatters.Octal 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.Octal PyF.Formatters.Minus (Nothing :: Maybe (Int, PyF.Formatters.AnyAlign, Char)) Nothing hello) | 7 | main = putStrLn [fmt|{hello:o}|] | ^^^^^^^^^^^