scikit-image/scikit-image — pull request #588 by sciunto (2013-06-12 20:06:56+00:00)
Title: cast range to list for python3

Running unittests, I got this error (python 3):
unsupported operand type(s) for +: 'range' and 'list'
#python2
type(range(2)) returns list
# python3
type(range(2)) returns builtins.range

I solved it by casting the range into a list.