Remove casting in PauliString.__mul__

ToastCheng · ToastCheng · commit a52bd84fd5bb · 2025-08-29T08:33:02.000+08:00
diff --git a/cirq-core/cirq/ops/pauli_string.py b/cirq-core/cirq/ops/pauli_string.py
@@ -268,7 +268,7 @@ def __mul__(self, other: complex) -> cirq.PauliString[TKey]:
     def __mul__(self, other):
         if isinstance(other, (PauliString, numbers.Number)):
             return PauliString(
-                cast(PAULI_STRING_LIKE, other),
+                other,
                 qubit_pauli_map=self._qubit_pauli_map,
                 coefficient=self.coefficient,
             )

Original file line number	Diff line number	Diff line change
`@@ -268,7 +268,7 @@ def __mul__(self, other: complex) -> cirq.PauliString[TKey]:`
`268`	`268`	`def __mul__(self, other):`
`269`	`269`	`if isinstance(other, (PauliString, numbers.Number)):`
`270`	`270`	`return PauliString(`
`271`		`- cast(PAULI_STRING_LIKE, other),`
	`271`	`+ other,`
`272`	`272`	`qubit_pauli_map=self._qubit_pauli_map,`
`273`	`273`	`coefficient=self.coefficient,`
`274`	`274`	`)`