1 files changed, 2 insertions, 18 deletions

diff --git a/src/mailman/tests/test_documentation.py b/src/mailman/tests/test_documentation.py
index a2c1ab592..329e0176a 100644
--- a/src/mailman/tests/test_documentation.py
+++ b/src/mailman/tests/test_documentation.py
@@ -38,7 +38,8 @@ import mailman
 
 from mailman.app.lifecycle import create_list
 from mailman.config import config
-from mailman.testing.helpers import call_api, specialized_message_from_string
+from mailman.testing.helpers import (
+    call_api, chdir, specialized_message_from_string)
 from mailman.testing.layers import SMTPLayer
 
 
@@ -46,23 +47,6 @@ DOT = '.'
 
 
 
-class chdir:
-    """A context manager for temporary directory changing."""
-    def __init__(self, directory):
-        self._curdir = None
-        self._directory = directory
-
-    def __enter__(self):
-        self._curdir = os.getcwd()
-        os.chdir(self._directory)
-
-    def __exit__(self, exc_type, exc_val, exc_tb):
-        os.chdir(self._curdir)
-        # Don't suppress exceptions.
-        return False
-
-
-
 def stop():
     """Call into pdb.set_trace()"""
     # Do the import here so that you get the wacky special hacked pdb instead