task-scheduler

1.In a Python project, calling a Python file separately, but relying on other Python files in the project, is not a good experience at the moment
2.For some commonly used exception alert, can you provide more detailed questions when explaining

https://github.com/uber/cadence/blob/70f3f582c91f1bb2e265287d91390a1d31e2c2de/common/definition/indexedKeys.go#L48
It's a system defined attribute in server
and it's being used by go client by system:
https://github.com/uber-go/cadence-client/blob/90498dff0c292bf08a868b979d867d7b74196079/internal/workflow.go#L990

https://github.com/uber-go/cadence-client/blob/90498dff0c292bf08a868b979d867d7b