Reverting to a slightly older code structure; adding type hint

Qiskit · Jan 16, 2022 · 528037b · 528037b
1 parent e34f1e6
commit 528037b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/qiskit/circuit/library/standard_gates/x.py b/qiskit/circuit/library/standard_gates/x.py
@@ -924,7 +924,7 @@ def __new__(
         num_ctrl_qubits: Optional[int] = None,
         label: Optional[str] = None,
         ctrl_state: Optional[Union[str, int]] = None,
-        synthesis=None,
+        synthesis: Optional["MCXSynthesis"] = None,
         _name="mcx",
     ):
         """Create a new MCX instance.