diff --git a/sbysrc/sby_core.py b/sbysrc/sby_core.py
index 7d8cf0f..334f67a 100644
--- a/sbysrc/sby_core.py
+++ b/sbysrc/sby_core.py
@@ -20,7 +20,7 @@ import os, re, sys
 if os.name == "posix":
     import resource, fcntl, signal
 import subprocess
-from shutil import copyfile
+from shutil import copyfile, rmtree
 from select import select
 from time import time, localtime