Fix type hint in _create_paged_xfer_handles method

[WANDY666]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @WANDY666, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on a precise refinement within the nixl_kv_transporter.py file, specifically by adjusting a type annotation. The change involves enclosing a type hint in quotes, which is a standard Python practice to handle forward references or prevent circular import issues during type checking. This modification enhances the robustness of the codebase's type system and improves static analysis without impacting the runtime behavior of the application.

Highlights

• Type Hint Correction: Corrected a type hint for the reg_desc parameter in the _create_paged_xfer_handles method to use a string literal, addressing a potential forward reference issue in Python.

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[gemini-code-assist]

Code Review

The pull request correctly fixes a type hint for nixlBind.nixlRegDList by using a string forward reference. This resolves a potential NameError when the optional nixl dependency is not installed, improving code robustness. I have added one suggestion to also include the return type hint for the modified function signature to further improve code clarity and maintainability.

[gemini-code-assist]

To improve type safety and code clarity, it's good practice to add a return type hint to the function. Based on its usage (the return value is assigned to page_xfer_handles) and the type definition of NixlAgentMetadata.page_xfer_handles in pd_io_struct.py, the return type appears to be int.

Suggested change

	def _create_paged_xfer_handles(self, reg_desc: "nixlBind.nixlRegDList", page_num: int, agent_name: str = ""):
	def _create_paged_xfer_handles(self, reg_desc: "nixlBind.nixlRegDList", page_num: int, agent_name: str = "") -> int: