diff --git a/pandas/_libs/tslibs/strptime.pyx b/pandas/_libs/tslibs/strptime.pyx index 381575c439dcc..f6400ce6bae56 100644 --- a/pandas/_libs/tslibs/strptime.pyx +++ b/pandas/_libs/tslibs/strptime.pyx @@ -639,7 +639,7 @@ cdef tzinfo _parse_with_format( item_reso[0] = NPY_DATETIMEUNIT.NPY_FR_ns # Pad to always return nanoseconds s += "0" * (9 - len(s)) - us = long(s) + us = int(s) ns = us % 1000 us = us // 1000 elif parse_code == 11: