| # Expose a limited set of classes and functions so callers outside of | |
| # the vcs package don't need to import deeper than `pip._internal.vcs`. | |
| # (The test directory may still need to import from a vcs sub-package.) | |
| # Import all vcs modules to register each VCS in the VcsSupport object. | |
| import pip._internal.vcs.bazaar | |
| import pip._internal.vcs.git | |
| import pip._internal.vcs.mercurial | |
| import pip._internal.vcs.subversion # noqa: F401 | |
| from pip._internal.vcs.versioncontrol import ( # noqa: F401 | |
| RemoteNotFoundError, | |
| RemoteNotValidError, | |
| is_url, | |
| make_vcs_requirement_url, | |
| vcs, | |
| ) | |