diff --git a/src/sphinx_tags/__init__.py b/src/sphinx_tags/__init__.py
index 25a6099..afb9a91 100644
--- a/src/sphinx_tags/__init__.py
+++ b/src/sphinx_tags/__init__.py
@@ -1,6 +1,7 @@
 """Sphinx extension to create tags for documentation pages.
 
 """
+
 import os
 import re
 from fnmatch import fnmatch
diff --git a/test/conftest.py b/test/conftest.py
index 0c7023a..0b41e42 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -8,6 +8,7 @@
     * This subdirectory must contain a conf.py and source files
 * The `outputs` dir contains expected output files
 """
+
 import shutil
 from os import symlink
 from pathlib import Path
diff --git a/test/test_badges.py b/test/test_badges.py
index 7c4a23a..31906f9 100644
--- a/test/test_badges.py
+++ b/test/test_badges.py
@@ -1,4 +1,5 @@
 """General tests for tag index and tag pages"""
+
 from io import StringIO
 from pathlib import Path
 from test.conftest import OUTPUT_ROOT_DIR
diff --git a/test/test_general_tags.py b/test/test_general_tags.py
index 3fc35fc..a50081f 100644
--- a/test/test_general_tags.py
+++ b/test/test_general_tags.py
@@ -1,4 +1,5 @@
 """General tests for tag index and tag pages"""
+
 from io import StringIO
 from pathlib import Path
 from unittest.mock import MagicMock