More python 3.x fixes.

theano/sandbox/cuda/__init__.py

@@ -6,7 +6,7 @@ import shutil
 import stat
 import sys
 
-import numpy
+import six
 
 import theano
 from theano.compile import optdb
@@ -243,7 +243,7 @@ class GpuOp(theano.gof.Op):
         return super(GpuOp, self).make_thunk(node, storage_map,
                                              compute_map, no_recycling)
 
-theano.compile.debugmode.default_make_thunk.append(GpuOp.make_thunk.im_func)
+theano.compile.debugmode.default_make_thunk.append(six.get_unbound_function(GpuOp.make_thunk))
 
 # We must do those import to be able to create the full doc when
 # nvcc is not available

theano/tensor/tests/test_basic.py

@@ -8,6 +8,7 @@ from tempfile import mkstemp
 import unittest
 import warnings
 from copy import copy, deepcopy
+from itertools import izip
 # Import builtin min to be able to use it after importing the tensor version.
 import __builtin__
 builtin_min = __builtin__.min
@@ -25,7 +26,7 @@ from theano.gof.python25 import any, all, combinations
 from theano.tensor import (_shared, wvector, bvector, autocast_float_as,
         argmin, max_and_argmax, cscalar, Subtensor, ctensor3, join,
         horizontal_stack, vertical_stack, argmax, get_vector_length,
-        fscalar, zeros_like, sum, tensor3, vector, izip, add, addbroadcast,
+        fscalar, zeros_like, sum, tensor3, vector, add, addbroadcast,
         alloc, as_tensor_variable, tensor_from_scalar, ARange, autocast_float,
         clip, constant, default, dot, inc_subtensor, set_subtensor,
         dmatrix, dscalar, dvector, eq, eye, fill, flatten, inverse_permutation,

theano/tests/__init__.py

 
 try:
-    from main import main, TheanoNoseTester
+    from theano.tests.main import main, TheanoNoseTester
 except ImportError:
     pass
-import unittest_tools
+from theano.tests import unittest_tools