Qual o motivo do erro:
/usr/lib/python2.7/dist-packages/scipy/sparse/compressed.py:130: VisibleDeprecationWarning: rank is deprecated; use the ndim attribute or function instead. To find the rank of a matrix see numpy.linalg.matrix_rank.
if np.rank(self.data) != 1 or np.rank(self.indices) != 1 or np.rank(self.indptr) != 1:
/usr/lib/python2.7/dist-packages/scipy/sparse/coo.py:200: VisibleDeprecationWarning: rank is deprecated; use the ndim attribute or function instead. To find the rank of a matrix see numpy.linalg.matrix_rank.
if np.rank(self.data) != 1 or np.rank(self.row) != 1 or np.rank(self.col) != 1:
