Item grid header in print format

erpnext/templates/print_formats/includes/item_grid.html

@@ -6,6 +6,7 @@
 
 <table class="table table-bordered">
 	<tbody>
+		{% if data|length -%}
 			<tr>
 				<th style="width: 3%">{{ _("Sr") }}</th>
 				<th style="width: 57%">{{ _("Item") }}</th>
@@ -17,6 +18,7 @@
 					<th style="width: 15%;" class="text-right">{{ _(data[0].meta.get_label("amount")) }}</th>
 				{%- endif %}
 			</tr>
+		{%- endif %}
 		{%- for row in data -%}
 		<tr>
 			<td>{{ row.idx }}</td>