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"""Add some assert methods to nose.tools. These were added in Python 2.7/3.1, so
once we stop testing on Python 2.6, this file can be removed.
"""
import nose.tools as nt
def assert_in(item, collection):
assert item in collection, '%r not in %r' % (item, collection)
if not hasattr(nt, 'assert_in'):
nt.assert_in = assert_in
def assert_not_in(item, collection):
assert item not in collection, '%r in %r' % (item, collection)
if not hasattr(nt, 'assert_not_in'):
nt.assert_not_in = assert_not_in
def assert_is_none(obj):
assert obj is None, '%r is not None' % obj
if not hasattr(nt, 'assert_is_none'):
nt.assert_is_none = assert_is_none
def assert_is_not_none(obj):
assert obj is not None, '%r is None' % obj
if not hasattr(nt, 'assert_is_not_none'):
nt.assert_is_not_none = assert_is_not_none
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