Dont flatten the SDL model when rendering statechart

Now the statechart renderer supports nested states!

asn1_value_editor/sdlHandler.py

@@ -264,7 +264,7 @@ class sdlHandler(QObject):
             self.proc = root_ast.processes[0]
         except IndexError:
             raise IOError('SDL Handler failed to initialize')
-        opengeode.Helper.flatten(self.proc)
+        #opengeode.Helper.flatten(self.proc)
         graph = opengeode.Statechart.create_dot_graph(self.proc, basic=True)
         self.sdl_scene = opengeode.SDL_Scene('statechart')
         self.sdl_view = opengeode.SDL_View(self.sdl_scene)