diff --git a/qiskit_aer/backends/backendconfiguration.py b/qiskit_aer/backends/backendconfiguration.py
index b57bb2f49a..819095a5c2 100644
--- a/qiskit_aer/backends/backendconfiguration.py
+++ b/qiskit_aer/backends/backendconfiguration.py
@@ -14,6 +14,7 @@
 """
 import copy
 
+
 class GateConfig:
     """Class representing a Gate Configuration