Fix "shutdown_timeout" typing

[seedofjoy]

Fix "shutdown_timeout" parameter typing

[AbhiPrasad]

Yup it seems like shutdown can be a float, thank you for your contribution!

sentry-python/sentry_sdk/client.py

Lines 404 to 419 in 5bd4775

	timeout=None, # type: Optional[float]
	callback=None, # type: Optional[Callable[[int, float], None]]
	):
	# type: (...) -> None
	"""
	Wait for the current events to be sent.
	:param timeout: Wait for at most `timeout` seconds. If no `timeout` is provided, the `shutdown_timeout` option value is used.
	:param callback: Is invoked with the number of pending events and the configured timeout.
	"""
	if self.transport is not None:
	if timeout is None:
	timeout = self.options["shutdown_timeout"]
	self.session_flusher.flush()
	self.transport.flush(timeout=timeout, callback=callback)