Update app.py

app.py

@@ -64,6 +64,7 @@ def phrase_query(query, num_results=10):
 
 def search(query, num_results=10):
     print(es.ping())
+    query = query[:200]
     if query.startswith('"') and query.endswith('"'):
         response = phrase_query(query[1:-1], num_results=num_results)
     else: