From 28da693b8ac7d4612f989360f4eff500c7c5152e Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Wed, 19 Jun 2024 10:46:02 +0000
Subject: [PATCH] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 src/qibo/backends/numpy.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/qibo/backends/numpy.py b/src/qibo/backends/numpy.py
index eba0e8204a..7248b2348e 100644
--- a/src/qibo/backends/numpy.py
+++ b/src/qibo/backends/numpy.py
@@ -400,7 +400,11 @@ def execute_circuit(self, circuit, initial_state=None, nshots=1000):
                 return self.execute_circuit(initial_state + circuit, None, nshots)
         elif initial_state is not None:
             initial_state = self.cast(initial_state)
-            valid_shape = 2 * (2**circuit.nqubits,) if circuit.density_matrix else (2**circuit.nqubits,)
+            valid_shape = (
+                2 * (2**circuit.nqubits,)
+                if circuit.density_matrix
+                else (2**circuit.nqubits,)
+            )
             if tuple(initial_state.shape) != valid_shape:
                 raise_error(
                     ValueError,