Worked on stabilizing TensorFlow builds under hermetic Python environments for the easybuilders/easybuild-easyblocks repository, focusing on compatibility with EasyBuild 5.x. Addressed a critical build-time issue by adjusting the PYTHONPATH, ensuring that TensorFlow packages, particularly for versions 2.14 and above, are properly discoverable during the build process. This targeted bug fix improved dependency resolution and reduced build failures for users compiling TensorFlow-based stacks. Leveraged expertise in Python, build systems, and environment management to deliver a solution with minimal code changes, enhancing reliability for scientific computing workflows that depend on robust Python packaging and reproducible build environments.