--- a/pylearn/algorithms/mcRBM.py	Mon Sep 12 10:56:38 2011 -0400
+++ b/pylearn/algorithms/mcRBM.py	Mon Sep 12 11:45:41 2011 -0400
@@ -199,22 +199,18 @@
 #    + 0.5 \sum_i v_i^2
 #    - \sum_i a_i v_i
 
-import sys, os, logging
 import numpy as np
 import numpy
 
 import theano
-from theano import function, shared, dot
+from theano import dot
 from theano import tensor as TT
 floatX = theano.config.floatX
 
-sharedX = lambda X, name : shared(numpy.asarray(X, dtype=floatX), name=name)
+sharedX = lambda X, name : theano.shared(numpy.asarray(X, dtype=floatX), name=name)
 
-import pylearn
 from pylearn.sampling.hmc import HMC_sampler
-from pylearn.io import image_tiling
 from pylearn.gd.sgd import sgd_updates
-import pylearn.dataset_ops.image_patches
 
 ###########################################
 #