diff --git a/shaker/engine/config.py b/shaker/engine/config.py
index afedec0..939d2f5 100644
--- a/shaker/engine/config.py
+++ b/shaker/engine/config.py
@@ -200,8 +200,8 @@ SCENARIO_OPTS = [
                     'Comma-separated list of scenarios to play. Each entity '
                     'can be a file name or one of aliases: '
                     '%s. Defaults to env[SHAKER_SCENARIO].', SCENARIOS,
-                    type_filter=lambda x: (x.endswith('.yaml')
-                                           and not x.startswith('test/')))),
+                    type_filter=lambda x: (x.endswith('.yaml') and
+                                           not x.startswith('test/')))),
     cfg.Opt('matrix',
             default=utils.env('SHAKER_MATRIX'),
             type=Yaml(),
diff --git a/tox.ini b/tox.ini
index 3dd48c4..d549c7a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -91,7 +91,7 @@ commands = bash tools/svg2png.sh
 # E125 continuation line does not distinguish itself from next logical line
 # H405 multi line docstring summary not separated with an empty line
 # E731 do not assign a lambda expression, use a def
-# [H106] Don’t put vim configuration in source files
+# [H106] Don't put vim configuration in source files
 # [H203] Use assertIs(Not)None to check for None
 ignore = E125,H405,E731
 show-source = true