nanshe/nanshe/expanded_numpy.py: Changed squish so that keepdims ensures all (including the last) original dimensions keep a singleton axis.
nanshe/nanshe/expanded_numpy.py: Changed squish so that keepdims ensures all (including the last) original dimensions keep a singleton axis.

jakirkham/nanshe,nanshe-org/nanshe,DudLab/nanshe,jakirkham/nanshe,nanshe-org/nanshe,DudLab/nanshe