fix ocr text block list

from typing import Tuple, List, Dict, Union, Callable

from ordered_set import OrderedSet

import numpy as np

import cv2

import logging

from ..textdetector.textblock import TextBlock

        elif isinstance(blk_list, TextBlock):

            blk_list = [blk_list]

        for blk in blk_list:

            blk.text = []

        self.ocr_blk_list(img, blk_list)

        for blk in blk_list:

            if isinstance(blk.text, List):

    default_stroke_width: float = 0.2

    stroke_decide_by_colordiff: bool = True

    font_weight: int = 50

    _target_lang: str = ""

    opacity: float = 1.

    shadow_radius: float = 0.

    shadow_strength: float = 1.

        blk_list, blk_ids = [], []

        for blkitem in blkitem_list:

            blk = blkitem.blk

            blk: TextBlock = blkitem.blk

            blk._bounding_rect = blkitem.absBoundingRect()

            blk.vertical = blkitem.is_vertical

            blk.text = self.st_manager.pairwidget_list[blkitem.idx].e_source.toPlainText()