def mutnodeset_union(iterable):
    set = mutnodeset()
    for it in iterable:
	set |= it
    return set
The tree needs to get the segments of the test ID that correspond
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/guppy-0.1.10/guppy/sets/__init__.py/mutnodeset_union--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/trial/test/test_reporter.py/TreeReporterTests.test_getPrelude