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-rw-r--r--wqflask/base/trait.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/wqflask/base/trait.py b/wqflask/base/trait.py
index 3daf9ea9..e57d4176 100644
--- a/wqflask/base/trait.py
+++ b/wqflask/base/trait.py
@@ -189,7 +189,8 @@ def get_sample_data():
trait_dict['symbol'] = trait_ob.symbol
trait_dict['location'] = trait_ob.location_repr
elif trait_ob.dataset.type == "Publish":
- trait_dict['pubmed_link'] = trait_ob.pubmed_link
+ if trait_ob.pubmed_id:
+ trait_dict['pubmed_link'] = trait_ob.pubmed_link
trait_dict['pubmed_text'] = trait_ob.pubmed_text
return json.dumps([trait_dict, {key: value.value for key, value in trait_ob.data.iteritems() }])