Alexander Pucho, Alexandre Ferreira, Elder Cirilo, and Bruno Cafeo. 2025. Refactoring Python Code with LLM-Based Multi-Agent Systems: An Empirical Study in ML Software Projects. In Anais do XXXIX Simpósio Brasileiro de Engenharia de Software, setembro 22, 2025, Recife/PE, Brasil. SBC, Porto Alegre, Brasil, 678-684. DOI: https://doi.org/10.5753/sbes.2025.11033.