these are fixed

Author: mcabbott

test/gradcheck.jl

@@ -1157,10 +1157,10 @@ end
 end
 
 @testset "hvcat" begin
-  @test gradient(xs -> hvcat((2,2),xs...)[1,1], [1,2,3,4])[1] == (1,0,0,0)
-  @test gradient(xs -> hvcat((2,2),xs...)[2,1], [1,2,3,4])[1] == (0,0,1,0)
-  @test gradient(xs -> hvcat((2,2),xs...)[1,2], [1,2,3,4])[1] == (0,1,0,0)
-  @test gradient(xs -> hvcat((2,2),xs...)[2,2], [1,2,3,4])[1] == (0,0,0,1)
+  @test gradient(xs -> hvcat((2,2),xs...)[1,1], [1,2,3,4])[1] == [1,0,0,0]
+  @test gradient(xs -> hvcat((2,2),xs...)[2,1], [1,2,3,4])[1] == [0,0,1,0]
+  @test gradient(xs -> hvcat((2,2),xs...)[1,2], [1,2,3,4])[1] == [0,1,0,0]
+  @test gradient(xs -> hvcat((2,2),xs...)[2,2], [1,2,3,4])[1] == [0,0,0,1]
   # https://github.com/FluxML/Zygote.jl/issues/513
   @test gradient(x -> hvcat((2,2),1,2,3,x)[4], 4.0) == (1.0,)
 end