From d584fee04c96f16d20fab6167e836a9360d3cc39 Mon Sep 17 00:00:00 2001
From: Dannon Baker <dannon.baker@gmail.com>
Date: Mon, 4 Mar 2019 21:36:59 -0500
Subject: [PATCH] Ensure metadata.properties entry exists for fastg

---
 lib/galaxy/datatypes/sequence.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/galaxy/datatypes/sequence.py b/lib/galaxy/datatypes/sequence.py
index 4aacb73e5822..82977e96b25a 100644
--- a/lib/galaxy/datatypes/sequence.py
+++ b/lib/galaxy/datatypes/sequence.py
@@ -614,6 +614,8 @@ def set_meta(self, dataset, **kwd):
                         break
                 if line.startswith('#FASTG'):
                     props = {x.split('=')[0][1:]: x.split('=')[1] for x in re.findall(':[a-zA-Z0-9_]+=[a-zA-Z0-9_().,\" ]+', line)}
+                    if not dataset.metadata.properties:
+                        dataset.metadata.properties = {}
                     dataset.metadata.properties.update(props)
                     if 'version' in props:
                         dataset.metadata.version = props['version']