Calculate stock based on variant stock if part is a template

InvenTree/part/models.py

@@ -522,6 +522,9 @@ class Part(models.Model):
         Part may be stored in multiple locations
         """
 
+        if self.is_template:
+            total = sum([variant.total_stock for variant in self.variants.all()])
+        else:
             total = self.stock_entries.aggregate(total=Sum('quantity'))['total']
 
         if total: