Full typing for scrapy/linkextractors.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 83.88%. Comparing base (d7da298) to head (40e4a59).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #6337 +/- ## ========================================== - Coverage 83.88% 83.88% -0.01% ========================================== Files 161 161 Lines 12010 12020 +10 Branches 1929 1777 -152 ========================================== + Hits 10075 10083 +8 - Misses 1598 1600 +2 Partials 337 337 ``` | [Files](https://app.codecov.io/gh/scrapy/scrapy/pull/6337?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=scrapy) | Coverage Δ | | |---|---|---| | [scrapy/commands/bench.py](https://app.codecov.io/gh/scrapy/scrapy/pull/6337?src=pr&el=tree&filepath=scrapy%2Fcommands%2Fbench.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=scrapy#diff-c2NyYXB5L2NvbW1hbmRzL2JlbmNoLnB5) | `95.55% <100.00%> (-4.45%)` | :arrow_down: | | [scrapy/linkextractors/\_\_init\_\_.py](https://app.codecov.io/gh/scrapy/scrapy/pull/6337?src=pr&el=tree&filepath=scrapy%2Flinkextractors%2F__init__.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=scrapy#diff-c2NyYXB5L2xpbmtleHRyYWN0b3JzL19faW5pdF9fLnB5) | `100.00% <100.00%> (ø)` | | | [scrapy/linkextractors/lxmlhtml.py](https://app.codecov.io/gh/scrapy/scrapy/pull/6337?src=pr&el=tree&filepath=scrapy%2Flinkextractors%2Flxmlhtml.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=scrapy#diff-c2NyYXB5L2xpbmtleHRyYWN0b3JzL2x4bWxodG1sLnB5) | `97.22% <100.00%> (+0.18%)` | :arrow_up: |