Worked on improving the stability and reliability of the confluent-kafka-python repository by focusing on build management and testing processes. Addressed a critical issue in the continuous integration pipeline by pinning the pluggy dependency to a compatible version range, which prevented breaking builds and ensured smoother development workflows. Additionally, corrected a typo in the KafkaError test suite, enhancing test accuracy and contributing to more reliable release cycles. Utilized Python and testing frameworks to implement these changes, prioritizing quality and maintainability. The work resulted in reduced CI instability and improved readiness for future releases, supporting ongoing development and deployment efforts.