:art: Fix the return type for better type hinting
:art: Fix the return type for better type hinting

Vivalldi/grav,sylvestrelucia/grav,JamesPan/gravbox,dimayakovlev/grav,JamesPan/gravbox,Vivalldi/grav,userfrosting/learn,webuxr/iamrs,sylvestrelucia/grav,userfrosting/learn,JamesPan/gravbox,getgrav/grav,userfrosting/learn,Sommerregen/grav,notklaatu/grav,tomzx/blog.tomrochette.com,sylvestrelucia/grav,notklaatu/grav,joeyhenricks/a-broke-vegan,JamesPan/gravbox,toovy/grav,tomzx/blog.tomrochette.com,sylvestrelucia/grav,dimayakovlev/grav,shortsofia/testesitegrav.github.io,userfrosting/learn,tomzx/blog.tomrochette.com,tomzx/blog.tomrochette.com,joeyhenricks/a-broke-vegan,gigago/grav,stell/grav,getgrav/grav,toovy/grav,ccardinaux/grav-test