diff --git a/simulations/validation/config1.py b/simulations/validation/config1.py
index a016842..8b1d28a 100644
--- a/simulations/validation/config1.py
+++ b/simulations/validation/config1.py
@@ -1,6 +1,6 @@
 from decimal import Decimal
 import numpy as np
-from datetime import timedelta
+from datetime import timedelta #
 
 from SimCAD import configs
 from SimCAD.configuration import Configuration
diff --git a/simulations/validation/config2.py b/simulations/validation/config2.py
index 703dace..829b7a8 100644
--- a/simulations/validation/config2.py
+++ b/simulations/validation/config2.py
@@ -1,6 +1,6 @@
 from decimal import Decimal
 import numpy as np
-from datetime import timedelta
+from datetime import timedelta #
 
 from SimCAD import configs
 from SimCAD.configuration import Configuration