During January 2026, Poletaev focused on improving environment configuration logic in the huggingface/accelerate repository. He addressed a bug where CPU usage flags were incorrectly parsed, which previously led to improper KMP_AFFINITY settings during non-CPU training. By replacing naive boolean checks with a robust parse_flag_from_env() function, he ensured that environment variables like 'False' were no longer misinterpreted as truthy values. This change, implemented in Python, enhanced deployment reliability and reduced configuration errors for diverse training contexts. Poletaev’s work demonstrated strong debugging and environment configuration skills, delivering a targeted fix that improved the suitability of accelerate for non-CPU workloads.