diff --git a/lbmpy/forcemodels.py b/lbmpy/forcemodels.py
index eda1f6ec03fef56c2879349b73a7f4351b64cdd5..812296cee11d2f2e146e49eaff519dc59853c2e2 100644
--- a/lbmpy/forcemodels.py
+++ b/lbmpy/forcemodels.py
@@ -256,5 +256,7 @@ class EDM:
 def default_velocity_shift(density, force):
     return [f_i / (2 * density) for f_i in force]
 
+
 def default_momentum_density_shift(force):
-    return [f_i / 2 for f_i in force]
\ No newline at end of file
+    return [f_i / 2 for f_i in force]
+