diff --git a/src/markus_exam_matcher/__main__.py b/src/markus_exam_matcher/__main__.py
index afd6869..be201b2 100644
--- a/src/markus_exam_matcher/__main__.py
+++ b/src/markus_exam_matcher/__main__.py
@@ -5,6 +5,7 @@
 ===============================
 Environment for top-level code (entry point into package).
 """
+
 import sys
 from argparse import ArgumentParser
 
diff --git a/src/markus_exam_matcher/image_processing/image_transformation_pipelines.py b/src/markus_exam_matcher/image_processing/image_transformation_pipelines.py
index 29259fb..bd8f674 100644
--- a/src/markus_exam_matcher/image_processing/image_transformation_pipelines.py
+++ b/src/markus_exam_matcher/image_processing/image_transformation_pipelines.py
@@ -6,6 +6,7 @@
 This module defines pipelines that can be used to transform images
 into a certain form.
 """
+
 from .image_transformations import (
     ImageTransform,
     get_lines,