diff --git a/Metallicity_Stack_Commons/valid_table.py b/Metallicity_Stack_Commons/valid_table.py
index 7c4eda3..e13c062 100644
--- a/Metallicity_Stack_Commons/valid_table.py
+++ b/Metallicity_Stack_Commons/valid_table.py
@@ -1,4 +1,4 @@
-from os.path import exists
+# from os.path import exists
 import numpy as np
 from astropy.io import ascii as asc
 from astropy.table import Table, Column