diff --git a/src/isilon_hadoop_tools/directories.py b/src/isilon_hadoop_tools/directories.py
index 6790de9..b3bfd44 100644
--- a/src/isilon_hadoop_tools/directories.py
+++ b/src/isilon_hadoop_tools/directories.py
@@ -56,30 +56,27 @@ def create_directories(
             # and modifying /ifs can break NFS/SMB.
             raise HDFSRootDirectoryError(hdfs_root)
         assert hdfs_root.startswith(zone_root)
-        zone_hdfs = hdfs_root[len(zone_root) :]
+        zone_hdfs = posixpath.relpath(hdfs_root, start=zone_root)
         if setup:
             setup(zone_root, hdfs_root, zone_hdfs)
         for directory in directories:
-            path = posixpath.join(zone_hdfs, directory.path.lstrip(posixpath.sep))
-            LOGGER.info("mkdir '%s%s'", zone_root, path)
+            zone_path = posixpath.join(zone_hdfs, directory.path.lstrip(sep))
+            path = posixpath.join(zone_root, zone_path)
+            LOGGER.info("mkdir '%s'", path)
             try:
-                (mkdir or self.onefs.mkdir)(path, directory.mode, zone=self.onefs_zone)
+                (mkdir or self.onefs.mkdir)(
+                    zone_path, directory.mode, zone=self.onefs_zone
+                )
             except isilon_hadoop_tools.onefs.APIError as exc:
                 if exc.dir_path_already_exists_error():
-                    LOGGER.warning("%s%s already exists. ", zone_root, path)
+                    LOGGER.warning("%s already exists. ", path)
                 else:
                     raise
-            LOGGER.info("chmod '%o' '%s%s'", directory.mode, zone_root, path)
-            (chmod or self.onefs.chmod)(path, directory.mode, zone=self.onefs_zone)
-            LOGGER.info(
-                "chown '%s:%s' '%s%s'",
-                directory.owner,
-                directory.group,
-                zone_root,
-                path,
-            )
+            LOGGER.info("chmod '%o' '%s'", directory.mode, path)
+            (chmod or self.onefs.chmod)(zone_path, directory.mode, zone=self.onefs_zone)
+            LOGGER.info("chown '%s:%s' '%s'", directory.owner, directory.group, path)
             (chown or self.onefs.chown)(
-                path,
+                zone_path,
                 owner=directory.owner,
                 group=directory.group,
                 zone=self.onefs_zone,
@@ -181,7 +178,9 @@ def cdp_directories(identity_suffix=None):
         HDFSDirectory("/user/yarn/mapreduce", "hdfs", "supergroup", 0o775),
         HDFSDirectory("/user/yarn/mapreduce/mr-framework", "yarn", "hadoop", 0o775),
         HDFSDirectory("/user/yarn/services", "hdfs", "supergroup", 0o775),
-        HDFSDirectory("/user/yarn/services/service-framework", "hdfs", "supergroup", 0o775),
+        HDFSDirectory(
+            "/user/yarn/services/service-framework", "hdfs", "supergroup", 0o775
+        ),
         HDFSDirectory("/user/zeppelin", "zeppelin", "zeppelin", 0o775),
         HDFSDirectory("/warehouse", "hdfs", "supergroup", 0o775),
         HDFSDirectory("/warehouse/tablespace", "hdfs", "supergroup", 0o775),
diff --git a/src/isilon_hadoop_tools/onefs.py b/src/isilon_hadoop_tools/onefs.py
index 1c86171..a7d4bb8 100644
--- a/src/isilon_hadoop_tools/onefs.py
+++ b/src/isilon_hadoop_tools/onefs.py
@@ -1054,11 +1054,10 @@ def flush_auth_cache(self, zone=None):
                 response.raise_for_status()
             except requests.exceptions.HTTPError as exc:
                 raise NonSDKAPIError("The auth cache could not be flushed.") from exc
-            else:
-                assert bool(
-                    response.status_code
-                    == requests.codes.no_content,  # pylint: disable=no-member
-                )
+            assert bool(
+                response.status_code
+                == requests.codes.no_content,  # pylint: disable=no-member
+            )
         else:
             try:
                 self._sdk.AuthApi(self._api_client).create_auth_cache_item(
diff --git a/tox.ini b/tox.ini
index c5d1855..b0c1d52 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,9 +25,9 @@ python =
 [testenv:static]
 basepython = python3.8
 deps =
-    black ~= 23.1.0
+    black ~= 23.7.0
     flake8 ~= 6.0.0
-    pylint ~= 2.16.0
+    pylint[spelling] ~= 2.17.0
 commands =
     black --check src setup.py tests
     flake8 src setup.py tests