alignment.

This is cleaner and avoids lockups in obscure cases where a Queue
is instantiated while the import lock is already held by another thread.

OKed by Tim Peters.

the recommendation to send suggestions to the author can be followed.

Fix a small nit in the error message if bool() falls back on __len__ and it returns the wrong type: it would tell the user that __nonzero__ should return bool or int.

Unicode format tests weren't actually testing unicode. This was probably due to the original backport from py3k.

For simple uses for str.format(), this makes the typing easier. Hopfully this
will help in the adoption of str.format().

For example:
'The {} is {}'.format('sky', 'blue')

You can mix and matcth auto-numbering and named replacement fields:
'The {} is {color}'.format('sky', color='blue')

But you can't mix and match auto-numbering and specified numbering:
'The {0} is {}'.format('sky', 'blue')
ValueError: cannot switch from manual field specification to automatic field numbering

Will port to 3.1.

Was a DeprecationWarning for not supporting it since Python 2.6.

Closes issue #3652.

Update the decimal FAQ for the from_float() classmethod and improve the recipe for remove_exponent() to make it cut and pasteable.