Add sample for Nexus cancellation #276
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| handle = await self.nexus_client.start_operation( | ||
| MyNexusService.my_workflow_run_operation, | ||
| MyInput(name), | ||
| ) | ||
| # Create a task that waits for the operation result | ||
| tasks.append(asyncio.create_task(handle)) |
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In this workflow the object returned by start_operation is an awaitable handle (see the hello_nexus sample where it is only awaited). asyncio.create_task requires a coroutine object, so passing the handle directly will raise TypeError: a coroutine was expected at runtime and prevent any operation from running. To run these concurrently, wrap the awaitable in a coroutine or use asyncio.ensure_future(handle) (which accepts awaitables) so the tasks can actually be scheduled.
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Add sample for Nexus cancellation based on the similar samples for Dotnet and Java