Change Tuple in NamedTuple (#330)

Author: aurorarossi

src/layers/conv.jl

@@ -329,7 +329,7 @@ struct GATConv{DX <: Dense, DE <: Union{Dense, Nothing}, T, A <: AbstractMatrix,
 end
 
 @functor GATConv
-Flux.trainable(l::GATConv) = (l.dense_x, l.dense_e, l.bias, l.a)
+Flux.trainable(l::GATConv) = (dense_x = l.dense_x, dense_e = l.dense_e, bias = l.bias, a = l.a)
 
 GATConv(ch::Pair{Int, Int}, args...; kws...) = GATConv((ch[1], 0) => ch[2], args...; kws...)
 
@@ -457,7 +457,7 @@ struct GATv2Conv{T, A1, A2, A3, B, C <: AbstractMatrix, F} <: GNNLayer
 end
 
 @functor GATv2Conv
-Flux.trainable(l::GATv2Conv) = (l.dense_i, l.dense_j, l.dense_e, l.bias, l.a)
+Flux.trainable(l::GATv2Conv) = (dense_i = l.dense_i, dense_j = l.dense_j, dense_e = l.dense_e, bias = l.bias, a = l.a)
 
 function GATv2Conv(ch::Pair{Int, Int}, args...; kws...)
     GATv2Conv((ch[1], 0) => ch[2], args...; kws...)
@@ -668,7 +668,7 @@ struct GINConv{R <: Real, NN, A} <: GNNLayer
 end
 
 @functor GINConv
-Flux.trainable(l::GINConv) = (l.nn,)
+Flux.trainable(l::GINConv) = (nn = l.nn,)
 
 GINConv(nn, ϵ; aggr = +) = GINConv(nn, ϵ, aggr)
 
@@ -1569,7 +1569,7 @@ end
 @functor TransformerConv
 
 function Flux.trainable(l::TransformerConv)
-    (l.W1, l.W2, l.W3, l.W4, l.W5, l.W6, l.FF, l.BN1, l.BN2)
+    (W1 = l.W1, W2 = l.W2, W3 = l.W3, W4 = l.W4, W5 = l.W5, W6 = l.W6, FF = l.FF, BN1 = l.BN1, BN2 = l.BN2)
 end
 
 function TransformerConv(ch::Pair{Int, Int}, args...; kws...)