revert conftest.py

Author: ieivanov

tests/conftest.py

@@ -1,7 +1,6 @@
 import csv
 import os
 import shutil
-import sys
 from pathlib import Path
 
 import fsspec
@@ -14,19 +13,6 @@
 settings.load_profile("default")
 
 
-# Make the repo root importable from `multiprocessing` spawn children so that
-# tests using ProcessPoolExecutor (e.g. test_process_single_position with
-# use_threads=False) can unpickle helpers like `tests.ngff.test_ngff_utils.
-# dummy_transform`. pytest's `--import-mode=importlib` only manipulates the
-# parent process's sys.path, not the env that spawn children inherit.
-_REPO_ROOT = Path(__file__).resolve().parent.parent
-os.environ["PYTHONPATH"] = os.pathsep.join(
-    [str(_REPO_ROOT)] + ([os.environ["PYTHONPATH"]] if os.environ.get("PYTHONPATH") else [])
-)
-if str(_REPO_ROOT) not in sys.path:
-    sys.path.insert(0, str(_REPO_ROOT))
-
-
 @pytest.fixture
 def rng():
     return np.random.default_rng(42)