diff --git a/rest_framework/tests/fields.py b/rest_framework/tests/fields.py
index 3882b53f4..13df769f8 100644
--- a/rest_framework/tests/fields.py
+++ b/rest_framework/tests/fields.py
@@ -846,7 +846,7 @@ class HumanizedFieldType(TestCase):
 
         """
         self.assertIsInstance(humanized, unicode)
-        self.assertTrue(humanized)
+        self.assertNotEqual(humanized, '')
 
 
 class HumanizedField(TestCase):
diff --git a/rest_framework/tests/views.py b/rest_framework/tests/views.py
index c0f42a068..2767d24c8 100644
--- a/rest_framework/tests/views.py
+++ b/rest_framework/tests/views.py
@@ -11,7 +11,6 @@ from rest_framework.response import Response
 from rest_framework.settings import api_settings
 from rest_framework.views import APIView
 
-
 factory = RequestFactory()
 
 
@@ -102,4 +101,3 @@ class FunctionBasedViewIntegrationTests(TestCase):
         }
         self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
         self.assertEqual(sanitise_json_error(response.data), expected)
-
diff --git a/rest_framework/views.py b/rest_framework/views.py
index 1af4c0baa..1c4854f05 100644
--- a/rest_framework/views.py
+++ b/rest_framework/views.py
@@ -68,9 +68,9 @@ class APIView(View):
         return content
 
     def _generate_action_metadata(self, request):
-        '''
+        """
         Helper for generating the fields metadata for allowed and permitted methods.
-        '''
+        """
         actions = {}
         for method in self.allowed_methods:
             # skip HEAD and OPTIONS