diff --git a/py2store/stores/local_store.py b/py2store/stores/local_store.py
index 37c1f3c..68583d4 100644
--- a/py2store/stores/local_store.py
+++ b/py2store/stores/local_store.py
@@ -46,26 +46,15 @@ class PathFormatStore(PathFormatPersister, Persister):
     """
     Local file store using templated relative paths.
 
-    >>> from tempfile import gettempdir
     >>> import os
+    >>> import tempfile
     >>>
     >>> def write_to_key(fullpath_of_relative_path, relative_path, content):  # a function to write content in files
     ...    with open(fullpath_of_relative_path(relative_path), 'w') as fp:
     ...        fp.write(content)
     >>>
-    >>> # Preparation: Make a temporary rootdir and write two files in it
-    >>> rootdir = os.path.join(gettempdir(), 'path_format_store_test' + os.sep)
-    >>> if not os.path.isdir(rootdir):
-    ...     os.mkdir(rootdir)
-    >>> # recreate directory (remove existing files, delete directory, and re-create it)
-    >>> for f in os.listdir(rootdir):
-    ...     fullpath = os.path.join(rootdir, f)
-    ...     if os.path.isfile(fullpath):
-    ...         os.remove(os.path.join(rootdir, f))
-    >>> if os.path.isdir(rootdir):
-    ...     os.rmdir(rootdir)
-    >>> if not os.path.isdir(rootdir):
-    ...    os.mkdir(rootdir)
+    >>> # Preparation: Make a fresh temporary rootdir (private to this doctest)
+    >>> rootdir = tempfile.mkdtemp() + os.sep
     >>>
     >>> filepath_of = lambda p: os.path.join(rootdir, p)  # a function to get a fullpath from a relative one
     >>> # and make two files in this new dir, with some content
@@ -111,18 +100,20 @@ class PathFormatStore(PathFormatPersister, Persister):
     >>> # but if we make an obj source to only take files whose extension is '.txt'...
     >>> s = PathFormatStore(path_format=rootdir + '{}.txt')
     >>>
-    >>> rootdir_2 = os.path.join(gettempdir(), 'obj_source_test_2') # get another rootdir
-    >>> if not os.path.isdir(rootdir_2):
-    ...    os.mkdir(rootdir_2)
+    >>> rootdir_2 = tempfile.mkdtemp() + os.sep # get another (fresh) rootdir
     >>> filepath_of_2 = lambda p: os.path.join(rootdir_2, p)
     >>> # and make two files in this new dir, with some content
-    >>> write_to_key(filepath_of, 'this.txt', 'this')
-    >>> write_to_key(filepath_of, 'that.txt', 'blah')
-    >>> write_to_key(filepath_of, 'the_other.txt', 'bloo')
+    >>> write_to_key(filepath_of_2, 'this.txt', 'this')
+    >>> write_to_key(filepath_of_2, 'that.txt', 'blah')
+    >>> write_to_key(filepath_of_2, 'the_other.txt', 'bloo')
     >>>
     >>> ss = PathFormatStore(path_format=rootdir_2 + '{}.txt')
     >>>
     >>> assert s != ss  # though pointing to identical content, o and oo are not equal since the paths are not equal!
+    >>>
+    >>> import shutil
+    >>> for d in (rootdir, rootdir_2):  # clean up the temporary dirs
+    ...     shutil.rmtree(d)
     """
 
     pass