Add additional URLs to environment.

[dacbd]

The previous PR looked dead, includes the PR comment + a change to silence some LSP complaints.

To elaborate on the LSP complaint, your exit function does call sys.exit effectively terminating the program.
However the LSP(I'm using pyright) doesn't properly detect this effectively ends function and complains that response is potentionally unbound, since there is no explict return/hault detected. I believe this has to do with how finally works in a try block. Code could continue executing in that scope (if there was a finally) and thus the LSP complains.