"file not found"

server.py

@@ -47,7 +47,7 @@ def getFile(date, time, filename):
     try:
         return send_from_directory(path, filename)    
     except:
-        return jsonify({})
+        return jsonify({error:'file not found'})
       
 if __name__ == '__main__':
     app.run(host=config['server']['host'], port=config['server']['port'])