diff --git a/source/_static/code/rev_comp2.py b/source/_static/code/rev_comp2.py
index 92b634851390306718e66c93f98613f691f3646a..4e682a1c26e76d1493657bce963ad8e77bafdf38 100644
--- a/source/_static/code/rev_comp2.py
+++ b/source/_static/code/rev_comp2.py
@@ -1,4 +1,4 @@
-import string
+
 
 def rev_comp(seq):
     """
@@ -8,6 +8,6 @@ def rev_comp(seq):
     reverse = seq[::-1]
     direct = 'acgtATCG'
     comp = 'tgcaTGCA'
-    table = string.maketrans(direct, comp)
+    table = str.maketrans(direct, comp)
     rev_comp = reverse.translate(table)
     return rev_comp
\ No newline at end of file