fixes in serial no patch
diff --git a/erpnext/patches/april_2012/serial_no_fixes.py b/erpnext/patches/april_2012/serial_no_fixes.py
index b4fcf75..f291e10 100644
--- a/erpnext/patches/april_2012/serial_no_fixes.py
+++ b/erpnext/patches/april_2012/serial_no_fixes.py
@@ -1,6 +1,6 @@
 def execute():
 	import webnotes
-	from webnotes.modules.module_manager import reload_doc
+	from webnotes.modules import reload_doc
 	reload_doc('stock', 'doctype', 'serial_no')
 
 	webnotes.conn.sql("update `tabSerial No` set sle_exists = 1")