Add logger initialization to main CLI

[rivergod]

PR type

• Bug Fix
• New Feature
• Document Updates
• More Models or Datasets Support

PR information

Fixes #9575.

This PR restores the missing logger initialization in swift/cli/main.py.

parse_yaml_args() uses logger.warning(...) when environment variables from a config file conflict with existing environment values, but logger was not defined. This adds:

from swift.utils import get_logger

logger = get_logger()

so the CLI can correctly emit the warning instead of raising a NameError.

Experiment results

No special Experiment results.

#9575

[gemini-code-assist]

Code Review

This pull request imports and initializes a logger in swift/cli/main.py using the get_logger utility. There are no review comments to address, and the changes are straightforward, so I have no additional feedback to provide.

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[Jintao-Huang]

thanks!