fix: set for_qty instead of pick_list
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index d3ce1b8..38e1157 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -711,7 +711,7 @@
 
 @frappe.whitelist()
 def create_pick_list(source_name, target_doc=None, for_qty=None):
-	pick_list = for_qty or json.loads(target_doc).get('for_qty')
+	for_qty = for_qty or json.loads(target_doc).get('for_qty')
 	max_finished_goods_qty = frappe.db.get_value('Work Order', source_name, 'qty')
 	def update_item_quantity(source, target, source_parent):
 		# qty = source.required_qty - source.transferred_qty