From ce825799303da20664c38760a7611516e0f7e8d0 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Tue, 24 Nov 2020 10:18:07 +1100
Subject: [PATCH] Cleanup getRequiredParts function

---
 InvenTree/part/models.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/InvenTree/part/models.py b/InvenTree/part/models.py
index 0852887ff7..7a699c20b7 100644
--- a/InvenTree/part/models.py
+++ b/InvenTree/part/models.py
@@ -1083,10 +1083,12 @@ class Part(MPTTModel):
             parts: Set of parts already found (to prevent recursion issues)
         """
 
-        for bom_item in self.bom_items.all().select_related('sub_part'):
+        items = self.bom_items.all().prefetch_related('sub_part')
+
+        for bom_item in items:
 
             sub_part = bom_item.sub_part
-            
+
             if sub_part not in parts:
 
                 parts.add(sub_part)