code: def findItemsByLabel(self, label, get_row=False):
      items = []
      for row in range(self.count()):
          item = self.item(row)
          if item.data(Qt.UserRole) == label:
              items.append(item)
              if get_row:
                  return row
      return items
  
file_path: PaddleOCR/PPOCRLabel/libs/unique_label_qlist_widget.py
imports: from PyQt5.QtCore import Qt, QSize
  from PyQt5 import QtWidgets
label_desc: Use image node_id 2 for calling the UniqueLabelQListWidget obj's underlying member method code with example usage: obj.findItemsByLabel(label, get_row) and returns: items, row