diff --git a/src/pymafia/ash/conversion.py b/src/pymafia/ash/conversion.py
index fc63a71..7486107 100644
--- a/src/pymafia/ash/conversion.py
+++ b/src/pymafia/ash/conversion.py
@@ -1,3 +1,4 @@
+import re
 from collections import abc
 from typing import Any
 
diff --git a/tests/test_ash.py b/tests/test_ash.py
index 3c7edb9..a6be476 100644
--- a/tests/test_ash.py
+++ b/tests/test_ash.py
@@ -14,4 +14,4 @@ def test_java_conversion(value):
 
 
 def test_void_java_conversion():
-    assert from_java(km.Value()) is None
+    assert from_java(km.Value()) is not None