Error with tutorial local_argmax_pushdown

[ghost]

Hello,

I got this issue: with the config
Win64bits with Lapack available
scipy==0.16.0
Cython==0.22.1
numpy==1.9.2
Theano==0.7.0
theano-lstm==0.0.15

Do you have any idea ?

Error Message:

D:_devs\Python01\WinPython-64-2710\python-2.7.10.amd64\lib\site-packages\theano\tensor\var.py:422: UserWarning: Warning, Cannot compute test value: input 0 (<TensorType(int32, matrix)>) of Op Subtensor{::, int64:int64:}(<TensorType(int32, matrix)>, Constant{0}, Constant{-1}) missing default value
lambda entry: isinstance(entry, Variable)))
D:_devs\Python01\WinPython-64-2710\python-2.7.10.amd64\lib\site-packages\theano\tensor\var.py:273: UserWarning: Warning, Cannot compute test value: input 0 (Subtensor{::, int64:int64:}.0) of Op Shape(Subtensor{::, int64:int64:}.0) missing default value
shape = property(lambda self: theano.tensor.basic.shape(self))
D:_devs\Python01\WinPython-64-2710\python-2.7.10.amd64\lib\site-packages\theano\tensor\var.py:422: UserWarning: Warning, Cannot compute test value: input 0 (Shape.0) of Op Subtensor{int64}(Shape.0, Constant{0}) missing default value
lambda entry: isinstance(entry, Variable)))
D:_devs\Python01\WinPython-64-2710\python-2.7.10.amd64\lib\site-packages\theano\scan_module\scan_perform_ext.py:133: RuntimeWarning: numpy.ndarray size changed, may indicate binary incompatibility
from scan_perform.scan_perform import *
ERROR (theano.gof.opt): Optimization failure due to: local_argmax_pushdown
ERROR:theano.gof.opt:Optimization failure due to: local_argmax_pushdown
ERROR (theano.gof.opt): TRACEBACK:
ERROR:theano.gof.opt:TRACEBACK:
ERROR (theano.gof.opt): Traceback (most recent call last):