#1986 seems to break setting base URL.
What I did:
auth = AppAuthentication(int(os.getenv("GITHUB_APP_ID")),
t,
int(os.getenv("GITHUB_APP_INSTALLATION_ID")))
g = Github(base_url="https://test.somegit.com/api/v3", app_auth=auth)
When I turn on debugger, the base URL for requester seems to be set to api.github.com. Lmk if I am doing something wrong here, thanks!