removed wip code

theano/scan_module/scan_opt.py

@@ -1512,26 +1512,6 @@ def scan_pushout_dot1(node):
                     inner_ins_shapes = seqs_shape + outs_shape + input_shapes[offset:]
                     assert len(inner_ins_shapes) == len(op.inputs)
 
-                    grab_shape = scan_utils.infer_shape(
-                        [new_scan_out], op.inputs, inner_ins_shapes)[0]
-
-                    out_equivalent = {}
-                    for in_ns, out_ns in zip(op.inner_non_seqs(op.inputs),
-                                              op.outer_non_seqs(node.inputs)):
-                        out_equivalent[in_ns] = out_ns
-                    validator = scan_utils.Validator(
-                            valid=input_shapes,
-                            invalid=op.inputs,
-                            valid_equivalent=out_equivalent)
-                    grab_shape = [validator.check(x) for x in grab_shape]
-                    if numpy.all([x is not None for x in grab_shape]) and \
-                       op.nit_sot_buffers:
-                        new_mem_buffer = tensor.zeros(
-                            [node.inputs[0]] +
-                            [x[0] for x in grab_shape])
-                        new_info['nit_sot_buffers'] = True
-                    else:
-                        new_info['nit_sot_buffers'] = False
                     _new_inner_inps = (inner_seqs +
                                        inner_mitmot +
                                        inner_mitsot +
@@ -1548,26 +1528,15 @@ def scan_pushout_dot1(node):
                                 _new_inner_inps, _new_inner_outs)
                     new_op = scan_op.Scan(new_inner_inps, new_inner_outs,
                                           new_info)
-                    if new_info['nit_sot_buffers']:
-                        _scan_inputs = ([node.inputs[0]] +
-                                        outer_seqs +
-                                        outer_mitmot +
-                                        outer_mitsot +
-                                        outer_sitsot +
-                                        outer_shared +
-                                        outer_nitsot +
-                                        [new_mem_buffer] +
-                                        outer_non_seqs)
-                    else:
-                        _scan_inputs = ([node.inputs[0]] +
-                                        outer_seqs +
-                                        outer_mitmot +
-                                        outer_mitsot +
-                                        outer_sitsot +
-                                        outer_shared +
-                                        outer_nitsot +
-                                        [node.inputs[0]] +
-                                        outer_non_seqs)
+                    _scan_inputs = ([node.inputs[0]] +
+                                    outer_seqs +
+                                    outer_mitmot +
+                                    outer_mitsot +
+                                    outer_sitsot +
+                                    outer_shared +
+                                    outer_nitsot +
+                                    [node.inputs[0]] +
+                                    outer_non_seqs)
                     new_outs = new_op(*_scan_inputs)
 
                     # We need now to pair correctly the new outputs with the