Cl-update error: "AttributeError:'NoneType' object has no attribute 'group'"

Hi Calculate Heros!

Having a problem with running cl-update:

# cl-update
 * Waiting for emerge to be complete ...                                                                                                                            [ ok ]
Repositories synchronization
 * Checking current binhost ...                                                                                                                                     [ ok ]
 * Checking Distros updates ...                                                                                                                                     [ ok ]
 * Checking Calculate updates ...                                                                                                                                   [ ok ]
 * Checking Gentoo updates ...                                                                                                                                      [ ok ]
 * Synchronization finished
System configuration
 * Update server https://mirror.nju.edu.cn/calculate
Updating packages
 * Calculating dependencies -Traceback (most recent call last):
   File "/usr/lib/python3.11/site-packages/calculate/core/server/func.py", line 813, in run
    res = method(*args)
          ^^^^^^^^^^^^^
   File "/usr/lib/python3.11/site-packages/calculate/update/update.py", line 1181, in emerge_ask
    emerge.run()
   File "/usr/lib/python3.11/site-packages/calculate/update/emerge_parser.py", line 772, in run
    element.get_block(child)
   File "/usr/lib/python3.11/site-packages/calculate/update/emerge_parser.py", line 286, in get_block
    self.get_data(self.re_block.search(token + child.before + match))
   File "/usr/lib/python3.11/site-packages/calculate/update/emerge_parser.py", line 293, in get_data
    self.result = self._get_text(match.group(1))
                                 ^^^^^^^^^^^
 AttributeError: 'NoneType' object has no attribute 'group'
 ...
 * AttributeError:'NoneType' object has no attribute 'group'(calculate.update.emerge_parser:293)
 * Update failed

version numbers:

# qlist -Iv sys-apps/calculate*
sys-apps/calculate-toolkit-0.4.1
sys-apps/calculate-utils-3.7.7.3
# qlist -Iv dev-lang/python
dev-lang/python-3.13.0
dev-lang/python-3.12.7_p1
dev-lang/python-3.11.10_p1
dev-lang/python-exec-2.4.10
dev-lang/python-exec-conf-2.4.6

Thanks in advance for your help!