Use concrete classes inherited from OSError instead of errno check

BPO	16705
Nosy	@asvetlov
Dependencies	bpo-16706: Get rid of os.error. Use OSError instead bpo-16715: Get rid of IOError. Use OSError instead bpo-16716: Deprecate OSError aliases in the doc bpo-16717: Get rid of socket.error. Use OSError instead bpo-17650: There is no exception correspond to errno EROFS bpo-17651: Errno checking replaced by concrete classes inherited from OSError

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/asvetlov'
closed_at = <Date 2018-01-29.13:48:32.453>
created_at = <Date 2012-12-17.20:31:39.786>
labels = ['type-bug', 'library']
title = 'Use concrete classes inherited from OSError instead of errno check'
updated_at = <Date 2018-01-29.13:48:32.452>
user = 'https://github.com/asvetlov'

bugs.python.org fields:

activity = <Date 2018-01-29.13:48:32.452>
actor = 'asvetlov'
assignee = 'asvetlov'
closed = True
closed_date = <Date 2018-01-29.13:48:32.453>
closer = 'asvetlov'
components = ['Library (Lib)']
creation = <Date 2012-12-17.20:31:39.786>
creator = 'asvetlov'
dependencies = ['16706', '16715', '16716', '16717', '17650', '17651']
files = []
hgrepos = []
issue_num = 16705
keywords = []
message_count = 3.0
messages = ['177668', '177669', '177670']
nosy_count = 2.0
nosy_names = ['asvetlov', 'python-dev']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue16705'
versions = ['Python 3.4']