diff --git a/dynamic_rest/bases.py b/dynamic_rest/bases.py
index d30eef52..3779dceb 100644
--- a/dynamic_rest/bases.py
+++ b/dynamic_rest/bases.py
@@ -4,6 +4,7 @@
 class DynamicSerializerBase(object):
 
     """Base class for all DREST serializers."""
+
     pass
 
 
@@ -15,7 +16,7 @@ def resettable_cached_property(func):
     """
 
     def wrapper(self):
-        if not hasattr(self, '_resettable_cached_properties'):
+        if not hasattr(self, "_resettable_cached_properties"):
             self._resettable_cached_properties = {}
         if func.__name__ not in self._resettable_cached_properties:
             self._resettable_cached_properties[func.__name__] = func(self)
@@ -32,7 +33,7 @@ def cacheable_object(cls):
     """
 
     def reset(self):
-        if hasattr(self, '_resettable_cached_properties'):
+        if hasattr(self, "_resettable_cached_properties"):
             self._resettable_cached_properties = {}
 
     cls.reset = reset
@@ -56,4 +57,4 @@ def root(self):
 
     @resettable_cached_property
     def context(self):
-        return getattr(self.root, '_context', {})
+        return getattr(self.root, "_context", {})