Update var.py

theano/tensor/var.py

@@ -9,8 +9,6 @@ from theano.gof import Constant, Variable
 from theano.gof.utils import hashtype
 from theano.tensor.utils import hash_from_ndarray
 from theano.tensor.type import TensorType
-from theano.tensor.extra_ops import cumsum
-from theano.tensor.extra_ops import cumprod