diff --git a/conftest.py b/conftest.py
index fd00978..d724d92 100644
--- a/conftest.py
+++ b/conftest.py
@@ -1,4 +1,5 @@
 """For pytest initialise a test database and profile."""
+
 import pytest
 
 pytest_plugins = ["aiida.manage.tests.pytest_fixtures"]
diff --git a/docs/source/conf.py b/docs/source/conf.py
index deed168..b3fbe1a 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -305,9 +305,9 @@ def run_apidoc(_):
 
     # See https://stackoverflow.com/a/30144019
     env = os.environ.copy()
-    env[
-        "SPHINX_APIDOC_OPTIONS"
-    ] = "members,special-members,private-members,undoc-members,show-inheritance"
+    env["SPHINX_APIDOC_OPTIONS"] = (
+        "members,special-members,private-members,undoc-members,show-inheritance"
+    )
     subprocess.check_call([cmd_path] + options, env=env)