diff --git a/tests/test_class_sh_disowning_mi.py b/tests/test_class_sh_disowning_mi.py
index 61cb9c6a2..80c938f21 100644
--- a/tests/test_class_sh_disowning_mi.py
+++ b/tests/test_class_sh_disowning_mi.py
@@ -2,7 +2,6 @@
 import pytest
 
 import env  # noqa: F401
-
 from pybind11_tests import class_sh_disowning_mi as m
 
 
diff --git a/tests/test_class_sh_module_local.py b/tests/test_class_sh_module_local.py
index aa4d1f3c5..98b161d6c 100644
--- a/tests/test_class_sh_module_local.py
+++ b/tests/test_class_sh_module_local.py
@@ -1,9 +1,8 @@
 # -*- coding: utf-8 -*-
-import pytest
-
 import class_sh_module_local_0 as m0
 import class_sh_module_local_1 as m1
 import class_sh_module_local_2 as m2
+import pytest
 
 
 def test_cross_module_get_mtxt():
diff --git a/tests/test_class_sh_trampoline_shared_from_this.py b/tests/test_class_sh_trampoline_shared_from_this.py
index d71a72068..bb3c83252 100644
--- a/tests/test_class_sh_trampoline_shared_from_this.py
+++ b/tests/test_class_sh_trampoline_shared_from_this.py
@@ -1,10 +1,9 @@
 # -*- coding: utf-8 -*-
+import weakref
+
 import pytest
 
 import env  # noqa: F401
-
-import weakref
-
 import pybind11_tests.class_sh_trampoline_shared_from_this as m
 
 
diff --git a/ubench/holder_comparison.py b/ubench/holder_comparison.py
index 0dbdbbaf0..0fb328902 100644
--- a/ubench/holder_comparison.py
+++ b/ubench/holder_comparison.py
@@ -1,16 +1,14 @@
 # -*- coding: utf-8 -*-
 """Simple comparison of holder performances, relative to unique_ptr holder."""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
-import pybind11_ubench_holder_comparison as m
+from __future__ import absolute_import, division, print_function
 
 import collections
 import sys
 import time
 
+import pybind11_ubench_holder_comparison as m
+
 number_bucket_pc = None
 
 
diff --git a/ubench/holder_comparison_extract_sheet_data.py b/ubench/holder_comparison_extract_sheet_data.py
index 64ee27fc4..bae11b9a6 100644
--- a/ubench/holder_comparison_extract_sheet_data.py
+++ b/ubench/holder_comparison_extract_sheet_data.py
@@ -1,9 +1,7 @@
 # -*- coding: utf-8 -*-
 """Extract mean ratios from holder_comparison.py output."""
 
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
+from __future__ import absolute_import, division, print_function
 
 import sys