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-rw-r--r--wqflask/wqflask/do_search.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/wqflask/wqflask/do_search.py b/wqflask/wqflask/do_search.py
index c7f3fe41..be4742e9 100644
--- a/wqflask/wqflask/do_search.py
+++ b/wqflask/wqflask/do_search.py
@@ -887,6 +887,8 @@ def get_aliases(symbol, species):
         symbol_string = symbol.capitalize()
     elif species == "human":
         symbol_string = symbol.upper()
+    else:
+        return []
 
     filtered_aliases = []
     response = requests.get("http://gn2.genenetwork.org/gn3/gene/aliases/" + symbol_string)