Some code bugs about rcvpose HOT 2 OPEN

import os
import re

linemod_cls_names = ['ape','benchvise','cam','can','cat','driller','duck','eggbox','glue','holepuncher','iron','lamp','phone']

pattern = r'\d+'

for cls_name in linemod_cls_names:
    folder_path = os.path.join('datasets','LINEMOD',cls_name)
    val_txt_path = os.path.join(folder_path,'val.txt')
    output_path = os.path.join(folder_path,'Split','val.txt')

    with open(val_txt_path,'r') as val_file:
        lines = val_file.readlines()

    cleaned_lines = []
    for line in lines:
        match = re.search(pattern,line)
        if match:
            cleaned_lines.append(match.group())

    with open(output_path, 'w') as split_val_file:
        split_val_file.write('\n'.join(cleaned_lines))

print('done!')