fix poetry init

We can't access `self.poetry.config` when poetry has not been initialized yet.

src/poetry/console/commands/init.py

@@ -481,6 +481,7 @@ def _validate_package(package: str | None) -> str | None:
         return package
 
     def _get_pool(self) -> RepositoryPool:
+        from poetry.config.config import Config
         from poetry.repositories import RepositoryPool
         from poetry.repositories.pypi_repository import PyPiRepository
 
@@ -489,7 +490,7 @@ def _get_pool(self) -> RepositoryPool:
 
         if self._pool is None:
             self._pool = RepositoryPool()
-            pool_size = self.poetry.config.installer_max_workers
+            pool_size = Config.create().installer_max_workers
             self._pool.add_repository(PyPiRepository(pool_size=pool_size))
 
         return self._pool

tests/console/commands/test_init.py

@@ -1087,3 +1087,17 @@ def mock_check_output(cmd: str, *_: Any, **__: Any) -> str:
 """
 
     assert expected in pyproject_file.read_text()
+
+
+def test_get_pool(mocker: MockerFixture, source_dir: Path) -> None:
+    """
+    Since we are mocking _get_pool() in the other tests, we at least should make
+    sure it works in general. See https://github.com/python-poetry/poetry/issues/8634.
+    """
+    mocker.patch("pathlib.Path.cwd", return_value=source_dir)
+
+    app = Application()
+    command = app.find("init")
+    assert isinstance(command, InitCommand)
+    pool = command._get_pool()
+    assert pool.repositories