diff --git a/HeatCluster.py b/HeatCluster.py
index c7b2c18..769240a 100755
--- a/HeatCluster.py
+++ b/HeatCluster.py
@@ -13,6 +13,7 @@
 import numpy as np
 import seaborn as sns
 import matplotlib.pyplot as plt
+import pathlib
 from pathlib import Path
 
 logging.basicConfig(format='%(asctime)s - %(message)s', datefmt='%y-%b-%d %H:%M:%S', level=logging.INFO)