Fix temporal worker imports and streaming tutorial for CI #1009

Job	Run time
find-tutorials	4s
test-10_async/00_base/010_multiturn	7m 6s
test-10_async/00_base/030_tracing	2m 12s
test-10_async/10_temporal/010_agent_chat	15m 15s
test-10_async/00_base/040_other_sdks	15m 5s
test-10_async/00_base/000_hello_acp	2m 13s
test-10_async/10_temporal/020_state_machine	8m 21s
test-00_sync/010_multiturn	3m 22s
test-10_async/10_temporal/080_open_ai_agents_sdk_human_in_the_loop	12m 49s
test-10_async/10_temporal/090_claude_agents_sdk_mvp	2m 12s
test-00_sync/030_langgraph	3m 24s
test-10_async/10_temporal/030_custom_activities	2m 20s
test-10_async/10_temporal/000_hello_acp	2m 16s
test-10_async/00_base/080_batch_events	2m 59s
test-10_async/00_base/100_langgraph	2m 38s
test-10_async/00_base/020_streaming	3m 9s
test-10_async/10_temporal/070_open_ai_agents_sdk_tools	7m 53s
test-00_sync/020_streaming	3m 13s
test-00_sync/000_hello_acp	2m 17s
test-10_async/10_temporal/060_open_ai_agents_sdk_hello_world	2m 52s
test-10_async/10_temporal/050_agent_chat_guardrails	2m 12s
Test Summary	7s
	1h 43m 59s

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