Simplified testing for null characters in __name__ setter.

Simplified testing for null characters in __name__ setter.

Patch by John Walker.

Patch by John Walker.

Decimals by 3 times.
Unified error messages in float.as_integer_ratio(), Decimal.as_integer_ratio(),
and Fraction constructors.

Issue #25802: Deprecate load_module() on importlib.machinery.SourceFileLoader and SourcelessFileLoader.

They were the only remaining implementations of load_module() not
documented as deprecated.

Saying that the functions were identical confused some users who were
upset when the functions were no longer simply the same function under
different names.

Thanks to Anthony Sottile for the bug report and Swati Jaiswal for the
initial patch.

Test inconsistently hangs.

In OS X 10.11, the test fails consistently due to a platform change
since 10.10. Thanks to Jeff Ramnani for the patch.

to sort out its assumptions about the as_integer_ratio() interface.

Mark Dickinson.

independedly from the type of the wrapped object (by returning the original
object unchanged).

independedly from the type of the wrapped object (by returning the original
object unchanged).

the return values as well as test them.

Thanks to Nicholas Chammas for the bug report and initial patch.

Thanks to Alejandro Santos for the bug report and Anish Shah for the
patch.

Thanks to Chris Wilcox for the initial patch.

Old code is correct, but with Py_SETREF and Py_CLEAR it can be cleaner.
This patch doesn't fix bugs and hence there is no need to backport it.