👇 Update grpo.py to fix bugs for cli grpo --reward_funcs my_lib.my_reward #3454
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What does this PR do?
Fix bugs when use custom reward function in Command Line Interfaces (CLIs) GRPO, like command below
cli grpo --reward_funcs my_lib.my_reward
Current path doesn't exist in sys.path, as a result, custom reward function in current path cannot be imported correctly. This PR is to fix it.
Fixes #3448
Before submitting
Pull Request section?
to it if that's the case. Rewards functions for Command Line Interfaces GRPO trainer #3448
Who can review?
@qgallouedec