Update create_pascal_tf_record.py and create_pet_tf_record.py

PiperOrigin-RevId: 192494267

research/object_detection/dataset_tools/create_pascal_tf_record.py

@@ -104,7 +104,7 @@ def dict_to_tf_example(data,
   truncated = []
   poses = []
   difficult_obj = []
-  if data.has_key('object'):
+  if 'object' in data:
     for obj in data['object']:
       difficult = bool(int(obj['difficult']))
       if ignore_difficult_instances and difficult:

research/object_detection/dataset_tools/create_pet_tf_record.py

@@ -136,6 +136,7 @@ def dict_to_tf_example(data,
   poses = []
   difficult_obj = []
   masks = []
+  if 'object' in data:
     for obj in data['object']:
       difficult = bool(int(obj['difficult']))
       if ignore_difficult_instances and difficult: