From 9f5cc90f2794aa93e1e48b0bf6dc699b1c766337 Mon Sep 17 00:00:00 2001
From: Ivan Butygin <ivan.butygin@intel.com>
Date: Thu, 13 Feb 2020 14:14:54 +0300
Subject: [PATCH] Fix index refcount in unbox_dataframe_column

---
 sdc/hiframes/boxing.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sdc/hiframes/boxing.py b/sdc/hiframes/boxing.py
index 6b2a69113..8fd374f76 100644
--- a/sdc/hiframes/boxing.py
+++ b/sdc/hiframes/boxing.py
@@ -296,6 +296,7 @@ def codegen(context, builder, sig, args):
 
         c.pyapi.decref(series_obj)
         c.pyapi.decref(arr_obj)
+        c.context.nrt.incref(builder, df_typ.index, dataframe.index)
 
         # assign array and set unboxed flag
         dataframe.data = builder.insert_value(