diff --git a/cratonclient/shell/main.py b/cratonclient/shell/main.py
index fbbffcc..23217e6 100644
--- a/cratonclient/shell/main.py
+++ b/cratonclient/shell/main.py
@@ -14,8 +14,9 @@
 Main shell for parsing arguments directed toward Craton.
 """
 
+
 def main():
     return 0
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()
diff --git a/cratonclient/shell/v1.py b/cratonclient/shell/v1.py
index 5d2ca36..72d4e37 100644
--- a/cratonclient/shell/v1.py
+++ b/cratonclient/shell/v1.py
@@ -14,4 +14,4 @@
 Command-line interface to the OpenStack Craton API V1.
 """
 
-#TODO (cmspence): from cratonclient.v1 import client
\ No newline at end of file
+# TODO (cmspence): from cratonclient.v1 import client
diff --git a/cratonclient/tests/unit/test_main_shell.py b/cratonclient/tests/unit/test_main_shell.py
index 3b582b0..0b70e1a 100644
--- a/cratonclient/tests/unit/test_main_shell.py
+++ b/cratonclient/tests/unit/test_main_shell.py
@@ -21,4 +21,5 @@ class TestMainShell(base.TestCase):
 
     def test_main_returns_successfully(self):
         """Verify that cratonclient shell main returns as expected."""
-        self.assertEqual(main.main(),0)
+
+        self.assertEqual(main.main(), 0)