1 files changed, 1 insertions, 0 deletions
diff --git a/exception.py b/exception.py
index 60487a01a..ef53f8867 100644
--- a/exception.py
+++ b/exception.py
@@ -17,6 +17,7 @@
 import isys
 import sys
 import os
+import shutil
 import signal
 import traceback
 import iutil