diff --git a/pcre/pcre.py b/pcre/pcre.py
index 84b4880..3f4b6a7 100644
--- a/pcre/pcre.py
+++ b/pcre/pcre.py
@@ -18,6 +18,7 @@
 from .cache import clear_cache as _clear_cache
 from .flags import Flag, strip_py_only_flags
 
+
 # Cache frequently used flag values as plain integers to avoid the overhead of
 # IntFlag arithmetic in hot paths such as module-level search helpers.
 COMPAT_UNICODE_ESCAPE: int = int(Flag.COMPAT_UNICODE_ESCAPE)
@@ -29,11 +30,12 @@
 NO_UCP: int = int(Flag.NO_UCP)
 from .re_compat import (
     Match as _CompatMatch,
+)
+from .re_compat import (
     TemplatePatternStub,
     coerce_group_value,
     coerce_subject_slice,
     compute_next_pos,
-    count_capturing_groups,
     is_bytes_like,
     join_parts,
     maybe_infer_group_count,
diff --git a/setup.py b/setup.py
index 278ef3a..01884a7 100644
--- a/setup.py
+++ b/setup.py
@@ -26,9 +26,9 @@
     compiler_supports_flags,
     discover_include_dirs,
     discover_library_dirs,
+    ensure_python_headers,
     extend_env_paths,
     extend_unique,
-    ensure_python_headers,
     filter_incompatible_multiarch,
     find_library_with_brew,
     find_library_with_ldconfig,
diff --git a/tests/test_clobber_thread.py b/tests/test_clobber_thread.py
index 1b8e534..8019361 100644
--- a/tests/test_clobber_thread.py
+++ b/tests/test_clobber_thread.py
@@ -17,6 +17,7 @@
 
 import pcre
 import pytest
+
 from tests import test_clobber as fuzz_core
 
 
diff --git a/tests/test_core.py b/tests/test_core.py
index 55f5bf4..47a733e 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -1,6 +1,6 @@
+import re
 import types
 from collections import OrderedDict
-import re
 
 import pytest
 from pcre import Flag