From 7219a44e2a83c67a56d0e8ad757b00abfe0cec9a Mon Sep 17 00:00:00 2001
From: Yao Tang <yao.tang@cambridgequantum.com>
Date: Thu, 26 Oct 2023 15:44:32 +0100
Subject: [PATCH] Fix type error

---
 pytket/tests/qasm_test.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pytket/tests/qasm_test.py b/pytket/tests/qasm_test.py
index 1792d72d5e..cf76e88015 100644
--- a/pytket/tests/qasm_test.py
+++ b/pytket/tests/qasm_test.py
@@ -882,10 +882,10 @@ def test_register_name_check() -> None:
     qb = Qubit("Q", 0)
     c.add_qubit(qb)
     c.H(qb)
-    with pytest.raises(QASMUnsupportedError) as e:
+    with pytest.raises(QASMUnsupportedError) as e2:
         qasm = circuit_to_qasm_str(c)
     err_msg = "Invalid register name 'Q'"
-    assert err_msg in str(e.value)
+    assert err_msg in str(e2.value)
 
 
 if __name__ == "__main__":