diff --git a/autopilot/lib_autopilot.py b/autopilot/lib_autopilot.py
index 8370a0b..c1b9545 100644
--- a/autopilot/lib_autopilot.py
+++ b/autopilot/lib_autopilot.py
@@ -65,6 +65,8 @@ import math
 import pickle
 import networkx as nx
 import numpy as np
+
+
 class Strategy:
     # define constants. Never changed as they are part of the API
     DIVERSE = "diverse"