class_docstr: Base class for RoIHeads.
docstr: Forward function during training.
docstr_tok: ["Forward","function","during","training","."]
code: def forward_train(
      self,
      x,
      img_meta,
      proposal_list,
      gt_bboxes,
      gt_labels,
      gt_bboxes_ignore=None,
      gt_masks=None,
      **kwargs,
  ):
      """Forward function during training."""
      pass
  
file_path: insightface/detection/scrfd/mmdet/models/roi_heads/base_roi_head.py
imports: from abc import ABCMeta, abstractmethod
  import torch.nn
  from ..builder import build_shared_head
label_desc: Use image node_id 9 for calling the BaseRoIHead obj's underlying member method code with example usage: obj.forward_train(x, img_meta, proposal_list, gt_bboxes, gt_labels, gt_bboxes_ignore, gt_masks) without return types