[docs] open() declared deprecated in python 3 docs (issue 22695)

[storchaka at gmail.com]

http://bugs.python.org/review/22695/diff/13186/Doc/tools/extensions/pyspecific.py
File Doc/tools/extensions/pyspecific.py (right):

http://bugs.python.org/review/22695/diff/13186/Doc/tools/extensions/pyspecific.py#newcode182
Doc/tools/extensions/pyspecific.py:182: node[0].insert(0,
nodes.inline('', '%s: ' % text,
Should not this line be unindented?

http://bugs.python.org/review/22695/