Use pathlib.Path explicitly

This makes a more obvious contrast opposed to zarr's built-in `Path`
type annotation (for internal keys).

Author: clbarnes

zarr/storage.py

@@ -20,7 +20,6 @@
 import multiprocessing
 import operator
 import os
-from pathlib import Path
 import re
 import shutil
 import sys

zarr/tests/conftest.py

@@ -1,8 +1,8 @@
-from pathlib import Path
+import pathlib
 
 import pytest
 
 
-@pytest.fixture(params=[str, Path])
+@pytest.fixture(params=[str, pathlib.Path])
 def path_type(request):
     return request.param

zarr/tests/test_storage.py

@@ -2,7 +2,7 @@
 import atexit
 import json
 import os
-from pathlib import Path
+import pathlib
 import sys
 import pickle
 import shutil
@@ -840,7 +840,7 @@ def test_filesystem_path(self):
     def test_init_pathlib(self):
         path = tempfile.mkdtemp()
         atexit.register(atexit_rmtree, path)
-        DirectoryStore(Path(path))
+        DirectoryStore(pathlib.Path(path))
 
     def test_pickle_ext(self):
         store = self.create_store()