How to set self.maxDiff in nose to get full diff output?

Question

When using nose 1.2.1 with Python 3.3.0, I sometimes get an error message similar to the following one

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Answer 1

Here you have it (what google told me):

# http://pdf2djvu.googlecode.com/hg/tests/common.py
try:
    from nose.tools import assert_multi_line_equal
except ImportError:
    assert_multi_line_equal = assert_equal
else:
    assert_multi_line_equal.im_class.maxDiff = None