Fix a doctest in ``Lib/_pydecimal.py`` which was failing when run
directly on the module via the command:
./python.exe -m doctest Lib/_pydecimal.py
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
Decimal('123.46')
>>> round(Decimal('123.456'), -2)
Decimal('1E+2')
- >>> round(Decimal('-Infinity'), 37)
+ >>> with localcontext(ExtendedContext):
+ ... round(Decimal('-Infinity'), 37)
+ ... round(Decimal('sNaN123'), 0)
Decimal('NaN')
- >>> round(Decimal('sNaN123'), 0)
Decimal('NaN123')
"""