From 643c4eb517fe5baea4ce9582e2228dd2ee780793 Mon Sep 17 00:00:00 2001
From: ylin <17835344407@163.com>
Date: Thu, 21 Dec 2023 15:42:42 +0800
Subject: [PATCH] fix: fix circuit import

---
 quafu/algorithms/gradients/vjp.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/quafu/algorithms/gradients/vjp.py b/quafu/algorithms/gradients/vjp.py
index fd7d6bf..aa314e1 100644
--- a/quafu/algorithms/gradients/vjp.py
+++ b/quafu/algorithms/gradients/vjp.py
@@ -15,9 +15,9 @@
 from typing import List, Optional
 
 import numpy as np
-from quafu.algorithms import Hamiltonian
 from quafu.algorithms.estimator import Estimator
 from quafu.algorithms.gradients import ParamShift
+from quafu.algorithms.hamiltonian import Hamiltonian
 
 from quafu import QuantumCircuit