 TYPING: --disallow-any-expr for HTMLFormatter.__init__
```
pandas\io\formats\html.py:44: error: Expression type contains "Any" (has type "Union[str, List[Any], Tuple[Any, ...], None]")
pandas\io\formats\html.py:49: error: Expression type contains "Any" (has type "Dict[str, Any]")
pandas\io\formats\html.py:49: error: Expression has type "Any"
pandas\io\formats\html.py:50: error: Expression type contains "Any" (has type "Dict[str, Any]")
pandas\io\formats\html.py:50: error: Expression has type "Any"
pandas\io\formats\html.py:54: error: Expression type contains "Any" (has type "Union[int, Any]")
```
Maybe wait a day or two to see if any other devs would like to comment. Otherwise merge away can wait. it is `gradual` typing! very gradual. Thanks @simonjayhawkins 