perf(minor): remove unnecessary comprehensions (port #25645)

diff --git a/erpnext/controllers/status_updater.py b/erpnext/controllers/status_updater.py
index 83d4c33..943f7aa 100644
--- a/erpnext/controllers/status_updater.py
+++ b/erpnext/controllers/status_updater.py
@@ -299,8 +299,8 @@
 			args['name'] = self.get(args['percent_join_field_parent'])
 			self._update_percent_field(args, update_modified)
 		else:
-			distinct_transactions = set([d.get(args['percent_join_field'])
-				for d in self.get_all_children(args['source_dt'])])
+			distinct_transactions = set(d.get(args['percent_join_field'])
+				for d in self.get_all_children(args['source_dt']))
 
 			for name in distinct_transactions:
 				if name: