Minor Fix for PaddleDetection (#3257)

* minor fix for PaddleDetection

configs/faster_rcnn_se154_vd_fpn_s1x.yml

@@ -7,7 +7,7 @@ snapshot_iter: 10000
 use_gpu: true
 log_smooth_window: 20
 save_dir: output
-pretrain_weights: https://paddle-imagenet-models-name.bj.bcebos.com/SE154_vd_pretrained.tar
+pretrain_weights: https://paddle-imagenet-models-name.bj.bcebos.com/SENet154_vd_pretrained.tar
 weights: output/faster_rcnn_se154_vd_fpn_s1x/model_final
 metric: COCO
 num_classes: 81

configs/mask_rcnn_se154_vd_fpn_s1x.yml

@@ -7,7 +7,7 @@ snapshot_iter: 10000
 use_gpu: true
 log_smooth_window: 20
 save_dir: output
-pretrain_weights: https://paddle-imagenet-models-name.bj.bcebos.com/SE154_vd_pretrained.tar
+pretrain_weights: https://paddle-imagenet-models-name.bj.bcebos.com/SENet154_vd_pretrained.tar
 weights: output/mask_rcnn_se154_vd_fpn_s1x/model_final/
 metric: COCO
 num_classes: 81

ppdet/modeling/architectures/cascade_rcnn.py

@@ -75,9 +75,7 @@ class CascadeRCNN(object):
         assert mode in ['train', 'test'], \
             "only 'train' and 'test' mode is supported"
         if mode == 'train':
-            required_fields = [
-                'gt_label', 'gt_box', 'gt_mask', 'is_crowd', 'im_info'
-            ]
+            required_fields = ['gt_label', 'gt_box', 'is_crowd', 'im_info']
         else:
             required_fields = ['im_shape', 'im_info']
         for var in required_fields: