def breadth_first(problem, graph_search=False, viewer=None):
    return _search(problem,
                   FifoList(),
                   graph_search=graph_search,
                   viewer=viewer)
Uniformly trims leading/trailing whitespace from docstrings.
dataset/ETHPy150Open simpleai-team/simpleai/simpleai/search/traditional.py/breadth_first--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/admindocs/utils.py/trim_docstring