maxdepth argument not fully forwarded to inner functions from Arrow.write?

[jrevels]

julia> tbl = (x = [Dict()],)
(x = Dict{Any,Any}[Dict()],)

julia> d = tbl.x[];

julia> for i in 1:20
           d[i] = Dict()
           d = d[i]
       end

julia> tbl
(x = Dict{Any,Any}[Dict(1 => Dict{Any,Any}(2 => Dict{Any,Any}(3 => Dict{Any,Any}(4 => Dict{Any,Any}(5 => Dict{Any,Any}(6 => Dict{Any,Any}(7 => Dict{Any,Any}(8 => Dict{Any,Any}(9 => Dict{Any,Any}(10 => Dict{Any,Any}(11 => Dict{Any,Any}(12 => Dict{Any,Any}(13 => Dict{Any,Any}(14 => Dict{Any,Any}(15 => Dict{Any,Any}(16 => Dict{Any,Any}(17 => Dict{Any,Any}(18 => Dict{Any,Any}(19 => Dict{Any,Any}(20 => Dict{Any,Any}()))))))))))))))))))))],)

julia> Arrow.write("test.arrow", tbl, maxdepth=100);
ERROR: reached nested serialization level (7) deeper than provided max depth argument (6); to increase allowed nesting level, pass `maxdepth=X`