diff --git a/scripts/__init__.py b/scripts/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/scripts/stlcg.py b/scripts/stlcg.py
index c53bc74..8937094 100644
--- a/scripts/stlcg.py
+++ b/scripts/stlcg.py
@@ -1,6 +1,6 @@
+# -*- coding: utf-8 -*-
 import torch
 import numpy as np
-from abc import ABC, abstractmethod
 from scripts.util import *
 import IPython
 # Assume inputs are already reversed.
diff --git a/scripts/util.py b/scripts/util.py
index 09192ed..65680bc 100644
--- a/scripts/util.py
+++ b/scripts/util.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import torch
 import numpy as np