refactor: remove _get_version_impl.py shim

The _get_version_impl.py module was just re-exporting from vcs_versioning.
Now we import directly from vcs_versioning in __init__.py and tests.

This removes another unnecessary layer of indirection.

Author: RonnyPfannschmidt

src/setuptools_scm/__init__.py

@@ -13,8 +13,7 @@
 from vcs_versioning._config import DEFAULT_VERSION_SCHEME
 from vcs_versioning._dump_version import dump_version  # soft deprecated
 from vcs_versioning._get_version_impl import _get_version
-
-from ._get_version_impl import get_version
+from vcs_versioning._get_version_impl import get_version  # soft deprecated
 
 # Public API
 __all__ = [

src/setuptools_scm/_get_version_impl.py

@@ -10,12 +10,12 @@
 
 import pytest
 
+from vcs_versioning._get_version_impl import _find_scm_in_parents
+from vcs_versioning._get_version_impl import _version_missing
 from vcs_versioning.test_api import WorkDir
 
 from setuptools_scm import Configuration
 from setuptools_scm import get_version
-from setuptools_scm._get_version_impl import _find_scm_in_parents
-from setuptools_scm._get_version_impl import _version_missing
 
 # No longer need to import setup functions - using WorkDir methods directly
 

testing/test_better_root_errors.py

@@ -199,7 +199,7 @@ def test_entrypoints_load() -> None:
 def test_write_to_absolute_path_passes_when_subdir_of_root(tmp_path: Path) -> None:
     c = Configuration(root=tmp_path, write_to=tmp_path / "VERSION.py")
     v = meta("1.0", config=c)
-    from setuptools_scm._get_version_impl import write_version_files
+    from vcs_versioning._get_version_impl import write_version_files
 
     with pytest.warns(DeprecationWarning, match=".*write_to=.* is a absolute.*"):
         write_version_files(c, "1.0", v)