diff --git a/setup.py b/setup.py
index 9abf58be..f9605363 100644
--- a/setup.py
+++ b/setup.py
@@ -154,7 +154,7 @@ def run_tests(self):
     install_requires=install_requires,
     tests_require=tests_require,
     test_suite="nose.collector",
-    data_files=[('', ['LICENSE.txt'])],
+    data_files=[("", ["LICENSE.txt"])],
     zip_safe=True,
     conda_import_tests=False,
     conda_command_tests=False