another merge fix

Author: borisdevos

src/spaces/gradedspace.jl

@@ -92,10 +92,9 @@ Base.hash(V::GradedSpace, h::UInt) = hash(V.dual, hash(V.dims, h))
 field(::Type{<:GradedSpace}) = ℂ
 InnerProductStyle(::Type{<:GradedSpace}) = EuclideanInnerProduct()
 function dim(V::GradedSpace)
-    return reduce(
-        +, dim(V, c) * dim(c) for c in sectors(V);
-        init = zero(dim(unit(sectortype(V))))
-    )
+    T = Base.promote_op(*, Int, real(sectorscalartype(sectortype(V))))
+    return reduce(+, dim(V, c) * dim(c) for c in sectors(V);
+                  init=zero(T))
 end
 function dim(V::GradedSpace{I, <:AbstractDict}, c::I) where {I <: Sector}
     return get(V.dims, isdual(V) ? dual(c) : c, 0)