fixed
diff --git a/erpnext/manufacturing/doctype/bom/bom.py b/erpnext/manufacturing/doctype/bom/bom.py
index 5f27c8d..73462b1 100644
--- a/erpnext/manufacturing/doctype/bom/bom.py
+++ b/erpnext/manufacturing/doctype/bom/bom.py
@@ -420,7 +420,7 @@
bom = frappe.get_doc("BOM", bom_no)
if not bom.is_active:
frappe.throw(_("BOM {0} must be active").format(bom_no))
- if not bom.docstatus == 1:
+ if bom.docstatus != 1:
if not getattr(frappe.flags, "in_test", False):
frappe.throw(_("BOM {0} must be submitted").format(bom_no))
if item and not (bom.item == item or \