diff --git a/setup.py b/setup.py
index 81e72db..b6bfce2 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="vyper-config",
-    version="0.6.1",
+    version="0.6.2",
     description="Python configuration with (more) fangs",
     url="http://github.com/admiralobvious/vyper",
     author="Alexandre Ferland",
diff --git a/tests/test_vyper.py b/tests/test_vyper.py
index ea1c018..e92baf2 100644
--- a/tests/test_vyper.py
+++ b/tests/test_vyper.py
@@ -295,17 +295,17 @@ def test_toml(self):
         self.assertEqual("TOML Example", self.v.get("title"))
 
     def test_env_override_default_subclass(self):
-        os.environ['CLASS.KEY2'] = 'newval2'
+        os.environ["CLASS.KEY2"] = "newval2"
 
-        self.v.set_default('class.key1', 'val1')
-        self.v.set_default('class.key2', 'val2')
-        self.v.set_default('class.key3', 'val3')
+        self.v.set_default("class.key1", "val1")
+        self.v.set_default("class.key2", "val2")
+        self.v.set_default("class.key3", "val3")
 
-        self.v.bind_env('class.key1')
-        self.v.bind_env('class.key2')
-        self.v.bind_env('class.key3')
+        self.v.bind_env("class.key1")
+        self.v.bind_env("class.key2")
+        self.v.bind_env("class.key3")
 
-        self.assertEqual('val1', self.v.get('class.key1'))
+        self.assertEqual("val1", self.v.get("class.key1"))
 
     def test_env(self):
         self._init_json()
@@ -596,7 +596,7 @@ def test_nested_keys_with_environment_variables(self):
         os.environ["ENV_PREFIX_CLOTHING_PANTS_SIZE"] = "small"
 
         self._init_yaml()
-        self.v.set_env_prefix('env_prefix')
+        self.v.set_env_prefix("env_prefix")
         self.v.automatic_env()
 
         self.assertEqual("small", self.v.get("clothing.pants.size"))