ERROR (theano.gof.opt): Traceback (most recent call last):

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/gof/opt.py", line 195, in apply
sub_prof = optimizer.optimize(fgraph)

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/gof/opt.py", line 81, in optimize
ret = self.apply(fgraph, *args, **kwargs)

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/tensor/opt.py", line 5498, in apply
new_outputs = self.optimizer(node)

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/tensor/opt.py", line 5445, in local_fuse
ret = local_fuse(n)

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/tensor/opt.py", line 5445, in local_fuse
ret = local_fuse(n)

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/tensor/opt.py", line 5445, in local_fuse
ret = local_fuse(n)

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/tensor/opt.py", line 5445, in local_fuse
ret = local_fuse(n)

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/tensor/opt.py", line 5445, in local_fuse
ret = local_fuse(n)

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/tensor/opt.py", line 5433, in local_fuse
n = OP(C)(*inputs).owner

 "/home/alistair/.venvs/resonant_pipeline/lib/python2.7/site-packages/theano/tensor/elemwise.py", line 496, in __init__
scalar_op.nout)ValueError: Cannot construct a ufunc with more than 32 operands (requested number were: inputs = 35 and outputs = 1)
Traceback (most recent call last):

 "/usr/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)

 "/home/besser82/rpmbuild/BUILDROOT/python-scikit-learn-0.15-0.1.git20140602.083b5f5.fc20.x86_64/usr/lib64/python2.7/site-packages/sklearn/ensemble/tests/test_forest.py", line 362, in check_classes_shape
clf = ForestClassifier(random_state=0).fit(X, y)

 "/home/besser82/rpmbuild/BUILDROOT/python-scikit-learn-0.15-0.1.git20140602.083b5f5.fc20.x86_64/usr/lib64/python2.7/site-packages/sklearn/ensemble/forest.py", line 271, in fit
backend="threading")(TypeError: __init__() got an unexpected keyword argument 'backend'