code: def __init__(self, config, *args, **kwargs):
      super().__init__(config)
      self._is_direct_features_input = config.direct_features_input
  
imports: import collections
  from copy import deepcopy
  import torch
  from mmf.common.registry import registry
  from mmf.models.base_model import BaseModel
  from mmf.modules.encoders import MultiModalEncoderBase
  from mmf.utils.build import build_classifier_layer
  from mmf.utils.modeling import get_bert_configured_parameters
label_desc: Use image node_id 1 to create a new ConcatBoW object from inherited base classes: BaseModel with example: obj = ConcatBoW(config)