Fixing codeflash init for Python 3.9 (CF-649)

[aseembits93]

User description

Using older type hints supported by Python 3.9

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PR Type

Bug fix

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Description

• Added Union import for typing compatibility

• Replaced PEP 604 type hint with Union

• Ensures codeflash init runs on Python 3.9

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Changes walkthrough 📝

	Relevant files
Bug fix	cmd_init.py Use `Union` for optional type hints                                            codeflash/cli_cmds/cmd_init.py Added Union import from typing Replaced str | None with Union[str, None] for benchmarks_root +2/-2

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[github-actions]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Unused Import The imports TYPE_CHECKING, Any, and cast were added but are not used in this file, which may trigger lint warnings. Consider removing unused imports. from typing import TYPE_CHECKING, Any, cast, Union Type Hint Style While Union[str, None] is functionally correct, using Optional[str] is more idiomatic under PEP 484 and improves readability. benchmarks_root: Union[str, None]

[github-actions]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
General	Replace Union with Optional Use Optional[str] instead of Union[str, None] for clarity and brevity. Update the import to bring in Optional and remove Union. codeflash/cli_cmds/cmd_init.py [10-57] -from typing import TYPE_CHECKING, Any, cast, Union +from typing import TYPE_CHECKING, Any, cast, Optional @dataclass(frozen=True) class SetupInfo: module_root: str tests_root: str - benchmarks_root: Union[str, None] + benchmarks_root: Optional[str] test_framework: str ignore_paths: list[str] formatter: str git_remote: str Suggestion importance[1-10]: 5 __ Why: Using Optional[str] instead of Union[str, None] improves readability and conciseness in the type annotation.	Low