Packing slip issues fixed and modified print format
diff --git a/erpnext/patches/packing_slip.py b/erpnext/patches/packing_slip.py
new file mode 100644
index 0000000..b6c94c0
--- /dev/null
+++ b/erpnext/patches/packing_slip.py
@@ -0,0 +1,7 @@
+def execute():
+	from webnotes.modules.module_manager import reload_doc
+	reload_doc('stock', 'doctype', 'delivery_note_detail')
+	reload_doc('stock', 'Print Format', 'Delivery Note Packing List Wise')
+	
+	webnotes.conn.sql("delete from `tabDocField` where fieldname in ('packed_by', 'packing_checked_by', 'pack_size') and parent = 'Delivery Note'")
+