Fix problems in optimization.

theano/sandbox/gpuarray/opt.py

@@ -10,6 +10,7 @@ from theano.compile.ops import shape_i
 from theano.gof import (local_optimizer, EquilibriumDB,
                         SequenceDB, Optimizer, toolbox)
 from theano.gof.optdb import LocalGroupDB
+from theano.ifelse import IfElse
 
 from theano.scalar.basic import Scalar, Pow, Cast
 from theano.scan_module import scan_utils, scan_op, scan_opt
@@ -529,9 +530,9 @@ def local_gpu_pdbbreakpoint_op(node):
 def local_gpua_lazy_ifelse(node, context_name):
     if node.op.gpu:
         return
-    c = nodes.inputs[0]
-    outs = [as_gpuarray_variable(v, context_name) for v in node.inputs[1:]]
-    return IfElse(node.op.n_outs, gpu=True)(c, *outs, return_list=True)
+    c = node.inputs[0]
+    inps = [as_gpuarray_variable(v, context_name) for v in node.inputs[1:]]
+    return IfElse(node.op.n_outs, gpu=True)(c, *inps, return_list=True)
 
 
 @register_opt('fast_compile')