From dd4de3f3b28f1ddd92aaa87c4f2c00657ecbc457 Mon Sep 17 00:00:00 2001
From: Anastasia Tyryshkina <atyryshkina@gmail.com>
Date: Tue, 5 Jun 2018 12:23:02 -0400
Subject: [PATCH] catch dataset_id=None

---
 scripts/grt/export.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/grt/export.py b/scripts/grt/export.py
index 0cb92b31025..62e45df3dc0 100644
--- a/scripts/grt/export.py
+++ b/scripts/grt/export.py
@@ -302,6 +302,9 @@ def main(argv):
                 continue
 
             hda_id = job[1]
+            # catch hda_id's where 
+            if hda_id == None:
+                continue
             dataset_id = hdas[hda_id][0]
 
             handle_datasets.write(str(job[0]))