Fix bug in cutout (#1933)

This fixes a bug in cutout for me.

dace/sdfg/analysis/cutout.py

@@ -164,7 +164,7 @@ def from_transformation(
                 cutout.translate_transformation_into(transformation)
             return cutout
         raise Exception('Unsupported transformation type: {}'.format(type(transformation)))
-                    
+
     @classmethod
     def singlestate_cutout(cls,
                            state: SDFGState,
@@ -1059,7 +1059,7 @@ def _cutout_determine_output_configuration(ct: SDFG, cutout_reach: Set[SDFGState
                 check_for_read_after.add(dn.data)
 
         original_state: SDFGState = out_translation[state]
-        for edge in original_state.parent.out_edges(original_state):
+        for edge in original_state.parent_graph.out_edges(original_state):
             if edge.dst in cutout_reach:
                 border_out_edges.add(edge.data)