some change about timeout

[ddfinshes]

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[NgZiming]

LGTM

[NgZiming]

return (next(full_chars, None) or next(code_chars, None)) is None

[NgZiming]

这一行可能不需要，和155的功能重复了呢

[ddfinshes]

get

[codecov]

Codecov Report

Attention: Patch coverage is 96.96970% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...web_kit/extractor/html/recognizer/code/tag_code.py	95.83%	1 Missing ⚠️

@@            Coverage Diff             @@
##              dev     #425      +/-   ##
==========================================
- Coverage   89.97%   89.84%   -0.13%     
==========================================
  Files         107      102       -5     
  Lines        8288     8186     -102     
==========================================
- Hits         7457     7355     -102     
  Misses        831      831              

Files with missing lines	Coverage Δ
...m_web_kit/extractor/html/recognizer/code/common.py	98.82% <100.00%> (-0.04%)	⬇️
...web_kit/extractor/html/recognizer/code/tag_code.py	95.14% <95.83%> (-0.69%)	⬇️

... and 2 files with indirect coverage changes

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[yogacc33]

1. print语句去掉，测试用例不要打印内容
2. 最后的几句可以去掉，以test开头的function在pytest会执行测试
   sec = TestExtractorChain()
   sec.setUp()
   sec.test_timeout_exception()
3. self.maxDiff = None 这里定义的变量有使用吗？

[yogacc33]

test_math.py代码如果没有修改，还原下代码