From 20f46eede570f5c2da13294ac968596c34314661 Mon Sep 17 00:00:00 2001
From: timifasubaa <30888507+timifasubaa@users.noreply.github.com>
Date: Wed, 11 Apr 2018 13:20:14 -0700
Subject: [PATCH] call next() the right way (#4804)

---
 superset/db_engine_specs.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/superset/db_engine_specs.py b/superset/db_engine_specs.py
index 85ff9dbb80..d239f899a8 100644
--- a/superset/db_engine_specs.py
+++ b/superset/db_engine_specs.py
@@ -869,7 +869,7 @@ class HiveEngineSpec(PrestoEngineSpec):
         """Uploads a csv file and creates a superset datasource in Hive."""
         def get_column_names(filepath):
             with open(filepath, 'rb') as f:
-                return unicodecsv.reader(f, encoding='utf-8-sig').next()
+                return next(unicodecsv.reader(f, encoding='utf-8-sig'))
 
         table_name = form.name.data
         filename = form.csv_file.data.filename