From c10f68db664d372821cafe808aec3f9edc2098eb Mon Sep 17 00:00:00 2001
From: Emily Zhang <emilyzhangla@gmail.com>
Date: Thu, 18 Apr 2019 23:08:11 -0400
Subject: [PATCH] Issue-305: fix IndexError when sorting empty report

---
 report_builder/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/report_builder/utils.py b/report_builder/utils.py
index 4e590a83..7bdbc420 100644
--- a/report_builder/utils.py
+++ b/report_builder/utils.py
@@ -66,6 +66,8 @@ def sort_data(data_list, display_field):
     display_field - report_builder.DisplayField object
     returns sorted data_list
     """
+    if not data_list:
+        return data_list
     position = display_field.position
     is_reverse = display_field.sort_reverse
     # Try to inspect sample data to determine type