Nylas, a company that heavily relies on Python for its backend, has developed an innovative approach to deploying Python server applications, addressing the common challenges associated with Python deployment such as dependency management, consistency, and speed. Traditional methods, like using git and pip, often lead to issues with rollback capabilities, slow deployments, and inconsistencies across servers. While solutions like Docker and PEX were considered, they introduced additional complexities and challenges that did not align with Nylas's existing infrastructure. Instead, Nylas adopted the use of dh-virtualenv, a tool that packages Python applications into Debian packages, containing a virtual environment and all necessary dependencies. By leveraging this approach, Nylas achieves fast, consistent, and reliable deployments while minimizing complexity and maintaining alignment with their development environment. This strategy, which integrates with their continuous integration server Jenkins, allows for rapid building and deployment of Python code, facilitating efficient code shipping without the need for significant changes to local development practices.