diff --git a/machine_learning/k_means_clust.py b/machine_learning/k_means_clust.py
index 4d70d8688..d2897c5aa 100644
--- a/machine_learning/k_means_clust.py
+++ b/machine_learning/k_means_clust.py
@@ -345,5 +345,5 @@ def report_generator(
 
 if __name__ == "__main__":
     import doctest
-  
+
     doctest.testmod()