diff --git a/tests/example.py b/tests/example.py
index 458f958..4f4cbd9 100644
--- a/tests/example.py
+++ b/tests/example.py
@@ -41,12 +41,12 @@ ex_docbook5xml = SimpleNamespace(
 #           type=tldp.doctypes.rst.RestructuredText,
 #           filename=opj(sampledocs, 'restructuredtext-simple.rst'),
 #          )
-# 
+#
 # ex_text = SimpleNamespace(
 #            type=tldp.doctypes.text.Text,
 #            filename=opj(sampledocs, 'text-simple.txt'),
 #           )
-# 
+#
 # ex_markdown = SimpleNamespace(
 #                type=tldp.doctypes.markdown.Markdown,
 #                filename=opj(sampledocs, 'markdown-simple.md'),
diff --git a/tests/tldptesttools.py b/tests/tldptesttools.py
index 3126bf1..9763ec0 100644
--- a/tests/tldptesttools.py
+++ b/tests/tldptesttools.py
@@ -66,7 +66,7 @@ class TestToolsFilesystem(unittest.TestCase):
         if os.path.isfile(filename):
             shutil.copy(filename, newname)
         else:
-            with open(newname, 'w') as f:
+            with open(newname, 'w'):
                 pass
         relname = os.path.relpath(newname, self.tempdir)
         return relname, newname