Update qiskit/transpiler/passes/layout/sabre_layout.py

Co-authored-by: Jake Lishman <jake@binhbar.com>
mtreinish · Nov 18, 2021 · 6809acf · 6809acf
1 parent bc92386
commit 6809acf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/qiskit/transpiler/passes/layout/sabre_layout.py b/qiskit/transpiler/passes/layout/sabre_layout.py
@@ -142,5 +142,5 @@ def _compose_layouts(self, initial_layout, pass_final_layout, qregs):
         """
         trivial_layout = Layout.generate_trivial_layout(*qregs)
         qubit_map = Layout.combine_into_edge_map(initial_layout, trivial_layout)
-        final_layout = {v: pass_final_layout[qubit_map[v]] for v, _ in initial_layout._v2p.items()}
+        final_layout = {v: pass_final_layout[qubit_map[v]] for v in initial_layout._v2p}
         return Layout(final_layout)