Externalize variables

Author: malmaud

src/ops/control_flow.jl

@@ -473,10 +473,10 @@ end
 
 """
 function internalize(outer_graph, body_func, cond_func, var_list, loop_name, stack_depth=1, input_overrides=Int[])
-    if stack_depth > 2
-        error("internalize is recursing too much")
-        return nothing
-    end
+    # if stack_depth > 2
+    #     error("internalize is recursing too much")
+    #     return nothing
+    # end
     external_name = nothing
     try
         body_graph = Graph()

src/variable.jl

@@ -79,7 +79,8 @@ function Variable(initial_value; name="", trainable=true, literal_name=false)
         return self
     else
         parent_graph = graph.parent.graph
-        base_name = name[(length(graph.parent.prefix)+2):end]  # maybe use regex instead
+        # base_name = name[(length(graph.parent.prefix)+2):end]  # maybe use regex instead
+        base_name = name
         parent_var =  tf.get_tensor_by_name(parent_graph, base_name)
         if parent_var === nothing
             tf.as_default(parent_graph) do