diff --git a/qiskit/quantum_info/operators/symplectic/base_pauli.py b/qiskit/quantum_info/operators/symplectic/base_pauli.py
index deb249e61651..9a81f58ab090 100644
--- a/qiskit/quantum_info/operators/symplectic/base_pauli.py
+++ b/qiskit/quantum_info/operators/symplectic/base_pauli.py
@@ -449,7 +449,6 @@ def _to_matrix(z, x, phase=0, group_phase=False, sparse=False):
         parity = _PARITY[np.bitwise_xor.reduce(mat_u8, axis=1)]
 
         data = coeff * parity
-
         if sparse:
             # Return sparse matrix
             from scipy.sparse import csr_matrix
diff --git a/test/python/quantum_info/operators/symplectic/test_sparse_pauli_op.py b/test/python/quantum_info/operators/symplectic/test_sparse_pauli_op.py
index 1aea15ea72a8..cd1171902c52 100644
--- a/test/python/quantum_info/operators/symplectic/test_sparse_pauli_op.py
+++ b/test/python/quantum_info/operators/symplectic/test_sparse_pauli_op.py
@@ -1,6 +1,6 @@
 # This code is part of Qiskit.
 #
-# (C) Copyright IBM 2017, 2020.
+# (C) Copyright IBM 2017, 2023.
 #
 # This code is licensed under the Apache License, Version 2.0. You may
 # obtain a copy of this license in the LICENSE.txt file in the root directory