Fix bug cas étiquette rayons à imprimer si le code-barre est absent

reception/models.py

@@ -211,7 +211,7 @@ class CagetteReception(models.Model):
             to_reset = []
             for p_to_print in products_to_print:
                 coop_logger.info('candidate to print %s', str(p_to_print))
-                if p_to_print['to_print'] is True and p_to_print['barcode'][:4] not in noprint_list:
+                if p_to_print['barcode'] and p_to_print['to_print'] is True and p_to_print['barcode'][:4] not in noprint_list:
                     try:
                         tools_url = settings.TOOLS_SERVER + '/products/label_print/'
                         tools_url += str(p_to_print['product_tmpl_id'][0])