diff --git a/wally/sensors/api.py b/wally/sensors/api.py
index 52d33ed..68b2e7d 100644
--- a/wally/sensors/api.py
+++ b/wally/sensors/api.py
@@ -30,6 +30,7 @@
     config_remote_path = os.path.join(remote_path, "conf.json")
 
     def deploy_sensors(node_sensor_config):
+        # check that path already exists
         copy_paths(node_sensor_config.conn, paths)
         with node_sensor_config.conn.open_sftp() as sftp:
             sensors_config = node_sensor_config.sensors.copy()