diff options
| -rw-r--r-- | Lib/datetime.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/datetime.py b/Lib/datetime.py index 197ef63..b64637f 100644 --- a/Lib/datetime.py +++ b/Lib/datetime.py @@ -23,9 +23,10 @@ _MAXORDINAL = 3652059 # date.max.toordinal() # for all computations. See the book for algorithms for converting between # proleptic Gregorian ordinals and many other calendar systems. -_DAYS_IN_MONTH = [None, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] +# -1 is a placeholder for 0. +_DAYS_IN_MONTH = [-1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] -_DAYS_BEFORE_MONTH = [None] +_DAYS_BEFORE_MONTH = [-1] # -1 is a placeholder for 0. dbm = 0 for dim in _DAYS_IN_MONTH[1:]: _DAYS_BEFORE_MONTH.append(dbm) |