Remove unused import

Fixes 09d595b
unho · Oct 19, 2022 · 8b5b07a · 8b5b07a
1 parent 09d595b
commit 8b5b07a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/stdnum/casrn.py b/stdnum/casrn.py
@@ -41,7 +41,7 @@
 import re
 
 from stdnum.exceptions import *
-from stdnum.util import clean, isdigits
+from stdnum.util import clean
 
 
 _cas_re = re.compile(r'^[1-9][0-9]{1,6}-[0-9]{2}-[0-9]$')