diff --git a/django_hstore/descriptors.py b/django_hstore/descriptors.py
index 15f1f0c..f6bcb64 100755
--- a/django_hstore/descriptors.py
+++ b/django_hstore/descriptors.py
@@ -10,11 +10,11 @@
 
 class HStoreDescriptor(models.fields.subclassing.Creator):
     _DictClass = HStoreDict
-    
+
     def __init__(self, *args, **kwargs):
         self.schema_mode = kwargs.pop('schema_mode', False)
         super(HStoreDescriptor, self).__init__(*args, **kwargs)
-    
+
     def __set__(self, obj, value):
         value = self.field.to_python(value)
         if isinstance(value, dict):
@@ -25,4 +25,4 @@ def __set__(self, obj, value):
 
 
 class HStoreReferenceDescriptor(HStoreDescriptor):
-    _DictClass = HStoreReferenceDict
\ No newline at end of file
+    _DictClass = HStoreReferenceDict
diff --git a/django_hstore/fields.py b/django_hstore/fields.py
index 7544d1c..21e064c 100755
--- a/django_hstore/fields.py
+++ b/django_hstore/fields.py
@@ -114,6 +114,20 @@ def contribute_to_class(self, cls, name):
         if self.schema:
             self._create_hstore_virtual_fields(cls, name)
 
+    def formfield(self, **kwargs):
+        kwargs['form_class'] = forms.DictionaryField
+        return super(DictionaryField, self).formfield(**kwargs)
+
+    def _value_to_python(self, value):
+        return value
+
+    def south_field_triple(self):
+        name, args, kwargs = super(DictionaryField, self).south_field_triple()
+        # if schema mode replace the default value {} with None as {} would break south
+        if self.schema_mode:
+            kwargs['default'] = None
+        return name, args, kwargs
+
     def _validate_schema(self, schema):
         if not isinstance(schema, list):
             raise ValueError('schema parameter must be a list')
@@ -149,20 +163,6 @@ def _create_hstore_virtual_fields(self, cls, hstore_field_name):
             # add this field to hstore_virtual_fields dict
             cls._hstore_virtual_fields[field['name']] = virtual_field
 
-    def formfield(self, **kwargs):
-        kwargs['form_class'] = forms.DictionaryField
-        return super(DictionaryField, self).formfield(**kwargs)
-
-    def _value_to_python(self, value):
-        return value
-
-    def south_field_triple(self):
-        name, args, kwargs = super(DictionaryField, self).south_field_triple()
-        # if schema mode replace the default value {} with None as {} would break south
-        if self.schema_mode:
-            kwargs['default'] = None
-        return name, args, kwargs
-
     def reload_schema(self, schema):
         """
         Reload schema arbitrarily at run-time
diff --git a/django_hstore/virtual.py b/django_hstore/virtual.py
index 724e239..11b910a 100755
--- a/django_hstore/virtual.py
+++ b/django_hstore/virtual.py
@@ -9,7 +9,6 @@
 ]
 
 
-
 class HStoreVirtualMixin(object):
     """
     must be mixed-in with django fields
@@ -29,7 +28,7 @@ def contribute_to_class(self, cls, name):
         cls._meta.add_field(self)
         # add also into virtual fields in order to support admin
         cls._meta.virtual_fields.append(self)
-    
+
     def db_type(self, connection):
         """
         returning None here will cause django to exclude this field
@@ -37,25 +36,25 @@ def db_type(self, connection):
         resulting in the fact that syncdb will skip this field when creating tables in PostgreSQL
         """
         return None
-    
+
     # begin descriptor methods
-    
+
     def __get__(self, instance, instance_type=None):
         """
         retrieve value from hstore dictionary
         """
         if instance is None:
             raise AttributeError('Can only be accessed via instance')
-        
+
         return getattr(instance, self.hstore_field_name).get(self.name, self.default)
-    
+
     def __set__(self, instance, value):
         """
         set value on hstore dictionary
         """
         hstore_dictionary = getattr(instance, self.hstore_field_name)
         hstore_dictionary[self.name] = value
-    
+
     # end descriptor methods
 
 
@@ -78,30 +77,30 @@ def create_hstore_virtual_field(field_cls, kwargs, hstore_field_name):
         BaseField = field_cls
     else:
         raise ValueError('field must be either a django standard field or a subclass of django.db.models.Field')
-        
+
     class VirtualField(HStoreVirtualMixin, BaseField):
         # keep basefield info (added for django-rest-framework-hstore)
         __basefield__ = BaseField
-        
+
         def __init__(self, *args, **kwargs):
             try:
                 self.hstore_field_name = hstore_field_name
             except KeyError:
-                raise ValueError('missing hstore_field_name keyword argument')    
+                raise ValueError('missing hstore_field_name keyword argument')
             super(VirtualField, self).__init__(*args, **kwargs)
-        
+
         def deconstruct(self, *args, **kwargs):
             """
             specific for django 1.7 and greater (migration framework)
             """
             name, path, args, kwargs = super(VirtualField, self).deconstruct(*args, **kwargs)
             return (name, path, args, { 'default': kwargs.get('default')})
-    
+
     # support DateTimeField
     if BaseField == models.DateTimeField and kwargs.get('default') is None:
         import datetime
         kwargs['default'] = datetime.datetime.utcnow()
-    
+
     # support Date and DateTime in django-rest-framework-hstore
     if BaseField == models.DateTimeField or BaseField == models.DateField:
         def value_to_string(self, obj):
@@ -111,12 +110,12 @@ def value_to_string(self, obj):
             except AttributeError as e:
                 return val
         VirtualField.value_to_string = value_to_string
-    
+
     field = VirtualField(**kwargs)
-    
+
     if field.default == models.fields.NOT_PROVIDED:
         field.default = ''
-    
+
     return field
 
 
@@ -125,4 +124,4 @@ def value_to_string(self, obj):
     from south.modelsinspector import add_ignored_fields
     add_ignored_fields(["^django_hstore\.virtual\.VirtualField"])
 except ImportError:
-    pass
\ No newline at end of file
+    pass