fix type annotations in client._generate._get_known_symbols

[junkmd]

comtypes/comtypes/client/_generate.py

Lines 249 to 267 in 0f3cf2b

	def _get_known_symbols():
	# type: () -> dict[str, str]
	known_symbols = {} # type: dict[str, str]
	for mod_name in (
	"comtypes.persist",
	"comtypes.typeinfo",
	"comtypes.automation",
	"comtypes",
	"ctypes.wintypes",
	"ctypes"
	):
	mod = importlib.import_module(mod_name)
	if hasattr(mod, "__known_symbols__"):
	names = mod.__known_symbols__ # type: list[str]
	else:
	names = list(mod.__dict__)
	for name in names:
	known_symbols[name] = mod.__name__
	return known_symbols

list[...] or dict[...] are used.
Use the pre-PEP585 symbols, such as from typing import List; List[...].

comtypes/comtypes/client/_generate.py

Lines 19 to 20 in 0f3cf2b

	if TYPE_CHECKING:
	from typing import Any, Tuple, List, Optional, Union as _UnionT

Currently Dict is not imported, so please change there as well.