More robust autocomplete

ckanext/odsh/logic/action.py

@@ -138,7 +138,11 @@ def autocomplete(context, data_dict):
         raise SearchError('SOLR returned an error running query: %r Error: %r' %
                           (query, e))
 
-    suggest = solr_response.raw_response.get("terms").get("suggest")
+    suggest = solr_response.raw_response.get("terms", {}).get("suggest")
+
+    if not suggest:
+        return []
+    
     suggestions = sorted(suggest, key=suggest.get, reverse=True)
     filtered_suggestions = []
     for suggestion in suggestions: