[print] [fix] empty item grid issue
diff --git a/erpnext/templates/print_formats/includes/item_grid.html b/erpnext/templates/print_formats/includes/item_grid.html
index 553d9f8..1d09f73 100644
--- a/erpnext/templates/print_formats/includes/item_grid.html
+++ b/erpnext/templates/print_formats/includes/item_grid.html
@@ -1,8 +1,8 @@
{%- from "templates/print_formats/standard_macros.html" import print_value -%}
{%- set std_fields = ("item_code", "item_name", "description", "qty", "rate", "amount", "stock_uom", "uom") -%}
{%- set visible_columns = get_visible_columns(doc.get(df.fieldname), table_meta) -%}
-{%- set hide_rate = data[0].meta.is_print_hide("rate") if len(data) else False-%}
-{%- set hide_amount = data[0].meta.is_print_hide("amount") if len(data) else False-%}
+{%- set hide_rate = data[0].meta.is_print_hide("rate") if data|length else False-%}
+{%- set hide_amount = data[0].meta.is_print_hide("amount") if data|length else False-%}
<table class="table table-bordered">
<tbody>