refactor: remove unnecssary vars

also remove misleading docstring
diff --git a/erpnext/stock/doctype/pick_list/pick_list.py b/erpnext/stock/doctype/pick_list/pick_list.py
index 46c8588..60f5e34 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.py
+++ b/erpnext/stock/doctype/pick_list/pick_list.py
@@ -224,8 +224,6 @@
 			item.idx = idx
 
 	def update_bundle_picked_qty(self):
-		"""Ensure that picked quantity is sufficient for fulfilling a whole number of."""
-
 		product_bundles = self._get_product_bundles()
 		product_bundle_qty_map = self._get_product_bundle_qty_map(product_bundles.values())
 
@@ -246,10 +244,11 @@
 		for item in self.locations:
 			if not item.product_bundle_item:
 				continue
-			bundle_item_code = frappe.db.get_value(
-				"Sales Order Item", item.product_bundle_item, "item_code"
+			product_bundles[item.product_bundle_item] = frappe.db.get_value(
+				"Sales Order Item",
+				item.product_bundle_item,
+				"item_code",
 			)
-			product_bundles[item.product_bundle_item] = bundle_item_code
 		return product_bundles
 
 	def _get_product_bundle_qty_map(self, bundles: List[str]) -> Dict[str, Dict[str, float]]: