Fix bug in class_aware_sampling (#541)

ppdet/data/reader.py

@@ -279,7 +279,7 @@ class Reader(object):
             self.indexes = np.random.choice(
                 self._sample_num,
                 self._sample_num,
-                replace=False,
+                replace=True,
                 p=self.img_weights)
 
         if self._shuffle:

tools/train.py

@@ -43,7 +43,6 @@ from ppdet.experimental import mixed_precision_context
 from ppdet.core.workspace import load_config, merge_config, create
 from ppdet.data.reader import create_reader
 
-from ppdet.utils.cli import print_total_cfg
 from ppdet.utils import dist_utils
 from ppdet.utils.eval_utils import parse_fetches, eval_run, eval_results
 from ppdet.utils.stats import TrainingStats
@@ -85,8 +84,6 @@ def main():
     check_gpu(cfg.use_gpu)
     # check if paddlepaddle version is satisfied
     check_version()
-    if not FLAGS.dist or trainer_id == 0:
-        print_total_cfg(cfg)
 
     if cfg.use_gpu:
         devices_num = fluid.core.get_cuda_device_count()