[IMPR] use string.digits

Change-Id: I3618337d634663adef4e9bf70cd0885950f7f736
---
M pywikibot/date.py
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pywikibot/date.py b/pywikibot/date.py
index 7ba5e27..1bc43b5 100644
--- a/pywikibot/date.py
+++ b/pywikibot/date.py
@@ -16,6 +16,7 @@
 import calendar
 import datetime
 import re
+from string import digits as _decimalDigits  # noqa: N812
 import sys
 
 from pywikibot.textlib import NON_LATIN_DIGITS
@@ -303,9 +304,6 @@
         raise ValueError('string contains regular digits')
 
 
-# Decimal digits used for various matchings
-_decimalDigits = '0123456789'
-
 # Helper for roman numerals number representation
 _romanNumbers = ['-', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX',
                  'X', 'XI', 'XII', 'XIII', 'XIV', 'XV', 'XVI', 'XVII', 'XVIII',

