fix: reduce cast calls in service browser (#1164) · python-zeroconf/python-zeroconf@c0d65ae

Original file line number	Diff line number	Diff line change
`@@ -157,18 +157,16 @@ def generate_service_query(`
`157`	`157`	`question = DNSQuestion(type_, _TYPE_PTR, _CLASS_IN)`
`158`	`158`	`question.unicast = qu_question`
`159`	`159`	`known_answers = {`
`160`		`-cast(DNSPointer, record)`
	`160`	`+record`
`161`	`161`	`for record in zc.cache.get_all_by_details(type_, _TYPE_PTR, _CLASS_IN)`
`162`	`162`	`if not record.is_stale(now)`
`163`	`163`	`}`
`164`		`-if not qu_question and zc.question_history.suppresses(`
`165`		`-question, now, cast(Set[DNSRecord], known_answers)`
`166`		`- ):`
	`164`	`+if not qu_question and zc.question_history.suppresses(question, now, known_answers):`
`167`	`165`	`log.debug("Asking %s was suppressed by the question history", question)`
`168`	`166`	`continue`
`169`		`-questions_with_known_answers[question] = known_answers`
	`167`	`+questions_with_known_answers[question] = cast(Set[DNSPointer], known_answers)`
`170`	`168`	`if not qu_question:`
`171`		`-zc.question_history.add_question_at_time(question, now, cast(Set[DNSRecord], known_answers))`
	`169`	`+zc.question_history.add_question_at_time(question, now, known_answers)`
`172`	`170`
`173`	`171`	`return _group_ptr_queries_with_known_answers(now, multicast, questions_with_known_answers)`
`174`	`172`