From d0023861218d315f2d3b60a201848197a4ef3163 Mon Sep 17 00:00:00 2001 From: Donny Date: Thu, 30 Apr 2020 18:14:24 -0400 Subject: [PATCH] Fix .add dep warning. --- qiskit/aqua/operators/state_fns/vector_state_fn.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/qiskit/aqua/operators/state_fns/vector_state_fn.py b/qiskit/aqua/operators/state_fns/vector_state_fn.py index 819e955351..aaa940687a 100644 --- a/qiskit/aqua/operators/state_fns/vector_state_fn.py +++ b/qiskit/aqua/operators/state_fns/vector_state_fn.py @@ -66,7 +66,7 @@ def add(self, other: OperatorBase) -> OperatorBase: # Right now doesn't make sense to add a StateFn to a Measurement if isinstance(other, VectorStateFn) and self.is_measurement == other.is_measurement: # Covers MatrixOperator, Statevector and custom. - return VectorStateFn((self.coeff * self.primitive).add(other.primitive * other.coeff), + return VectorStateFn((self.coeff * self.primitive) + (other.primitive * other.coeff), is_measurement=self._is_measurement) # pylint: disable=cyclic-import,import-outside-toplevel from .. import SummedOp