some doctests fix

Author: CarloLucibello

GNNGraphs/src/gnngraph.jl

@@ -291,19 +291,19 @@ function Base.show(io::IO, ::MIME"text/plain", g::GNNGraph)
         if !isempty(g.ndata)
             print(io, "\n  ndata:")
             for k in keys(g.ndata)
-                print(io, "\n\t$k = $(shortsummary(g.ndata[k]))")
+                print(io, "\n    $k = $(shortsummary(g.ndata[k]))")
             end
         end
         if !isempty(g.edata)
             print(io, "\n  edata:")
             for k in keys(g.edata)
-                print(io, "\n\t$k = $(shortsummary(g.edata[k]))")
+                print(io, "\n    $k = $(shortsummary(g.edata[k]))")
             end
         end
         if !isempty(g.gdata)
             print(io, "\n  gdata:")
             for k in keys(g.gdata)
-                print(io, "\n\t$k = $(shortsummary(g.gdata[k]))")
+                print(io, "\n    $k = $(shortsummary(g.gdata[k]))")
             end
         end
     end

GNNGraphs/src/gnnheterograph/generate.jl

@@ -19,8 +19,8 @@ Additional keyword arguments will be passed to the [`GNNHeteroGraph`](@ref) cons
 julia> g = rand_heterograph((:user => 10, :movie => 20),
                             (:user, :rate, :movie) => 30)
 GNNHeteroGraph:
-  num_nodes: (:user => 10, :movie => 20)         
-  num_edges: ((:user, :rate, :movie) => 30,)
+  num_nodes: Dict(:movie => 20, :user => 10)
+  num_edges: Dict((:user, :rate, :movie) => 30)
 ```
 """
 function rand_heterograph end

GNNGraphs/src/gnnheterograph/query.jl

@@ -21,8 +21,8 @@ Return `true` if there is an edge of type `edge_t` from node `i` to node `j` in
 ```jldoctest
 julia> g = rand_bipartite_heterograph((2, 2), (4, 0), bidirected=false)
 GNNHeteroGraph:
-  num_nodes: (:A => 2, :B => 2)
-  num_edges: ((:A, :to, :B) => 4, (:B, :to, :A) => 0)
+  num_nodes: Dict(:A => 2, :B => 2)
+  num_edges: Dict((:A, :to, :B) => 4, (:B, :to, :A) => 0)
 
 julia> has_edge(g, (:A,:to,:B), 1, 1)
 true