diff --git a/oteapi_asmod/strategies/function.py b/oteapi_asmod/strategies/function.py
index c80724d..921f355 100644
--- a/oteapi_asmod/strategies/function.py
+++ b/oteapi_asmod/strategies/function.py
@@ -1,4 +1,5 @@
 """Function strategy class for mapping ase.Atoms to dlite metadata."""
+
 # pylint: disable=no-self-use,unused-argument
 import pathlib
 from dataclasses import dataclass
diff --git a/oteapi_asmod/strategies/parse.py b/oteapi_asmod/strategies/parse.py
index 6824381..694ec65 100644
--- a/oteapi_asmod/strategies/parse.py
+++ b/oteapi_asmod/strategies/parse.py
@@ -1,4 +1,5 @@
 """Demo strategy class for text/json."""
+
 # pylint: disable=no-self-use,unused-argument
 from dataclasses import dataclass
 from typing import TYPE_CHECKING, Optional
diff --git a/setup.py b/setup.py
index 17021d0..e8d228e 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,5 @@
 """Setup for OTE-API AtomScale MODels."""
+
 import re
 from pathlib import Path
 
diff --git a/tasks.py b/tasks.py
index b41ab8a..5bd447e 100644
--- a/tasks.py
+++ b/tasks.py
@@ -2,6 +2,7 @@
 
 More information on `invoke` can be found at http://www.pyinvoke.org/.
 """
+
 # pylint: disable=import-outside-toplevel,too-many-locals
 import re
 import sys
diff --git a/tests/conftest.py b/tests/conftest.py
index 70c0030..3f4c5a3 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,4 +1,5 @@
 """Pytest fixtures for `strategies/`."""
+
 from pathlib import Path
 
 import pytest