diff --git a/riscemu/helpers.py b/riscemu/helpers.py
index 7722d9f..8becedd 100644
--- a/riscemu/helpers.py
+++ b/riscemu/helpers.py
@@ -104,4 +104,4 @@ def bind_twos_complement(val):
         return val + 4294967296
     elif val > 2147483647:
         return val - 4294967296
-    return val
\ No newline at end of file
+    return val