Windows 10 Mimetypes for .webp return empty

[ewwink]

Bug report

Bug description:

on Windows 10 guess_file_type() checking .webp file return tuple('', None) not tuple('image/webp', None)

The problem is db.read_windows_registry() overwrite default types_map .webp = 'image/webp' into .webp = ''

cpython/Lib/mimetypes.py

Lines 390 to 393 in 65da5db

	if files is None or _db is None:
	db = MimeTypes()
	# Quick return if not supported
	db.read_windows_registry()

CPython versions tested on:

3.11, 3.12, 3.13

Operating systems tested on:

Windows