diff --git a/pyea/population.py b/pyea/population.py
index 0ed913045bc35eaca95343606144f007490d2691..5f7ad9a972a5cc89d120671c697f9ce667136baa 100644
--- a/pyea/population.py
+++ b/pyea/population.py
@@ -3,6 +3,7 @@ import uuid
 import json
 import os
 from pyea.settings import project_path
+
 from collections import defaultdict