chore: hardcode doctype

erpnext/setup/doctype/company/company.py

@@ -689,11 +689,11 @@ def get_children(doctype, parent=None, company=None, is_root=False):
 			name as value,
 			is_group as expandable
 		from
-			`tab{doctype}` comp
+			`tabCompany` comp
 		where
 			ifnull(parent_company, "")={parent}
 		""".format(
-			doctype=doctype, parent=frappe.db.escape(parent)
+			parent=frappe.db.escape(parent)
 		),
 		as_dict=1,
 	)

erpnext/setup/doctype/department/department.py

@@ -63,7 +63,7 @@ def get_children(doctype, parent=None, company=None, is_root=False):
 	else:
 		filters["parent_department"] = parent
 
-	return frappe.get_all(doctype, fields=fields, filters=filters, order_by="name")
+	return frappe.get_all("Department", fields=fields, filters=filters, order_by="name")
 
 
 @frappe.whitelist()