Fix fluid.data code example, test=develop, test=document_preview (#1472)

* fix fluid.data code example, test=develop, test=document_preview

doc/fluid/api_cn/layers_cn/deformable_roi_pooling_cn.rst

@@ -45,56 +45,52 @@ deformable_roi_pooling
     #position_sensitive为False
 
     import paddle.fluid as fluid
-    input = fluid.layers.data(name="input",
-                              shape=[2, 192, 64, 64],
-                              dtype='float32',
-                              append_batch_size=False)
-    rois = fluid.layers.data(name="rois",
-                             shape=[4],
-                             dtype='float32',
-                             lod_level=1)
-    trans = fluid.layers.data(name="trans",
-                              shape=[2, 384, 64, 64],
-                              dtype='float32',
-                              append_batch_size=False)
-    x = fluid.layers.nn.deformable_roi_pooling(input=input,
-                                                 rois=rois,
-                                                 trans=trans,
-                                                 no_trans=False,
-                                                 spatial_scale=1.0,
-                                                 group_size=(1, 1),
-                                                 pooled_height=8,
-                                                 pooled_width=8,
-                                                 part_size=(8, 8),
-                                                 sample_per_part=4,
-                                                 trans_std=0.1,
-                                                 position_sensitive=False)
+    input = fluid.data(name="input",
+                       shape=[2, 192, 64, 64],
+                       dtype='float32')
+    rois = fluid.data(name="rois",
+                      shape=[-1, 4],
+                      dtype='float32',
+                      lod_level=1)
+    trans = fluid.data(name="trans",
+                       shape=[2, 384, 64, 64],
+                       dtype='float32')
+    x = fluid.layers.deformable_roi_pooling(input=input,
+                                            rois=rois,
+                                            trans=trans,
+                                            no_trans=False,
+                                            spatial_scale=1.0,
+                                            group_size=(1, 1),
+                                            pooled_height=8,
+                                            pooled_width=8,
+                                            part_size=(8, 8),
+                                            sample_per_part=4,
+                                            trans_std=0.1,
+                                            position_sensitive=False)
 
     #position_sensitive为True
 
     import paddle.fluid as fluid
-    input = fluid.layers.data(name="input",
-                              shape=[2, 192, 64, 64],
-                              dtype='float32',
-                              append_batch_size=False)
-    rois = fluid.layers.data(name="rois",
-                             shape=[4],
-                             dtype='float32',
-                             lod_level=1)
-    trans = fluid.layers.data(name="trans",
-                              shape=[2, 384, 64, 64],
-                              dtype='float32',
-                              append_batch_size=False)
-    x = fluid.layers.nn.deformable_roi_pooling(input=input,
-                                                 rois=rois,
-                                                 trans=trans,
-                                                 no_trans=False,
-                                                 spatial_scale=1.0,
-                                                 group_size=(1, 1),
-                                                 pooled_height=8,
-                                                 pooled_width=8,
-                                                 part_size=(8, 8),
-                                                 sample_per_part=4,
-                                                 trans_std=0.1,
-                                                 position_sensitive=True)
+    input = fluid.data(name="input",
+                       shape=[2, 192, 64, 64],
+                       dtype='float32')
+    rois = fluid.data(name="rois",
+                      shape=[-1, 4],
+                      dtype='float32',
+                      lod_level=1)
+    trans = fluid.data(name="trans",
+                       shape=[2, 384, 64, 64],
+                       dtype='float32')
+    x = fluid.layers.deformable_roi_pooling(input=input,
+                                            rois=rois,
+                                            trans=trans,
+                                            no_trans=False,
+                                            spatial_scale=1.0,
+                                            group_size=(1, 1),
+                                            pooled_height=8,
+                                            pooled_width=8,
+                                            part_size=(8, 8),
+                                            sample_per_part=4,
+                                            trans_std=0.1,
+                                            position_sensitive=True)