Worked on the topoteretes/cognee repository to enhance configuration flexibility for Ollama embeddings by making the HUGGINGFACE_TOKENIZER environment variable optional. This backend development effort, implemented in Python, focused on reducing configuration friction and simplifying deployment processes. The approach involved updating error messaging to accurately reflect the new optional requirement, which helps prevent misconfigurations and streamlines onboarding for new users. By targeting configuration management and usability, the changes allow deployments to proceed smoothly when a tokenizer is not needed, improving both developer and operator experience. The work was delivered through a focused commit to ensure minimal risk and maintain code stability.