[Bug]: wait_for_index_building_complete does not work correctly

[YUNHAN-LU]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

Base on this discussion

If the index is built after data inserted, the state=Finished is not a reliable flag to know index work is done or not, it means the index is created and ready to build.

Expected Behavior

No response

Steps/Code To Reproduce behavior

Environment details

- Hardware/Softward conditions (OS, CPU, GPU, Memory):
- Method of installation (Docker, or from source):
- Milvus version (v0.3.1, or v0.4.0):
- Milvus configuration (Settings you made in `server_config.yaml`):

Anything else?

No response

[XuanYang-cn]

@YUNHAN-LU The discussion link is broken. But I dont think this is the issue in PyMilvus. Can you provide more context?