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from nose.tools import *
import networkx as nx
def test_unionfind():
# Fixed by: 2cddd5958689bdecdcd89b91ac9aaf6ce0e4f6b8
# Previously (in 2.x), the UnionFind class could handle mixed types.
# But in Python 3.x, this causes a TypeError such as:
# TypeError: unorderable types: str() > int()
#
# Now we just make sure that no exception is raised.
x = nx.utils.UnionFind()
x.union(0, 'a')
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