diff --git a/bricks_for_python/init.py b/bricks_for_python/init.py
index 1df47c7..70a4ead 100644
--- a/bricks_for_python/init.py
+++ b/bricks_for_python/init.py
@@ -1,3 +1,5 @@
+from ahserver.serverenv import ServerEnv
+
 def UiWindow(title, icon, content, cheight=10, cwidth=15):
     return {
         "widgettype":"PopupWindow",