fix the problem with julia nightly

Author: sl-solution

test/broadcasting.jl

@@ -1067,7 +1067,7 @@ end
 end
 
 @testset "test categorical values" begin
-    for v in [categorical([1, 2, 3]), categorical([1, 2, missing]),
+    for v in Any[categorical([1, 2, 3]), categorical([1, 2, missing]),
               categorical([missing, 1, 2]),
               categorical(["1", "2", "3"]), categorical(["1", "2", missing]),
               categorical([missing, "1", "2"])]

test/transpose.jl

@@ -409,7 +409,7 @@ end
     @test isa(uds[!,:b].val, Vector{Union{Int,Missing}})
     @test isa(uds[!,:c].val, Vector{Union{Int,Missing}})
     @test isa(uds[!,:d].val, Vector{Union{Int,Missing}})
-    ds = Dataset([categorical(repeat(2:-1:1, inner=4)),
+    ds = Dataset(Any[categorical(repeat(2:-1:1, inner=4)),
                            categorical(repeat('a':'d', outer=2)), categorical(1:8)],
                        [:id, :variable, :value])