Ensures that all of the environment variables available at runtime are also available at build time. This is necessary since it's common for apps to be invoked at build time (eg for Django collectstatic), and often this means fully initialising the framework backends, which will fail if expected libraries are not found.
Ensures that all of the environment variables available at runtime are also available at build time. This is necessary since it's common for apps to be invoked at build time (eg for Django collectstatic), and often this means fully initialising the framework backends, which will fail if expected libraries are not found.
Fixes #15. Closes W-8429195.