Convert codebase for python3 usage

1 files changed, 4 insertions, 5 deletions

diff --git a/imagekit/models.py b/imagekit/models.py
index 140715e..0eba0ab 100644
--- a/imagekit/models.py
+++ b/imagekit/models.py
@@ -47,7 +47,7 @@ class ImageModelBase(ModelBase):
         except ImportError:
             raise ImportError('Unable to load imagekit config module: %s' % \
                 opts.spec_module)    
-        for spec in [spec for spec in module.__dict__.values() \
+        for spec in [spec for spec in list(module.__dict__.values()) \
                      if isinstance(spec, type) \
                      and issubclass(spec, specs.ImageSpec) \
                      and spec != specs.ImageSpec]:
@@ -56,7 +56,7 @@ class ImageModelBase(ModelBase):
         setattr(cls, '_ik', opts)
 
 
-class ImageModel(models.Model):
+class ImageModel(models.Model, metaclass=ImageModelBase):
     """ Abstract base class implementing all core ImageKit functionality
     
     Subclasses of ImageModel are augmented with accessors for each defined
@@ -64,7 +64,6 @@ class ImageModel(models.Model):
     storage locations and other options.
     
     """
-    __metaclass__ = ImageModelBase
 
     class Meta:
         abstract = True
@@ -81,10 +80,10 @@ class ImageModel(models.Model):
               self._ik.admin_thumbnail_spec
         else:
             if hasattr(self, 'get_absolute_url'):
-                return u'<a href="%s"><img src="%s"></a>' % \
+                return '<a href="%s"><img src="%s"></a>' % \
                     (self.get_absolute_url(), prop.url)
             else:
-                return u'<a href="%s"><img src="%s"></a>' % \
+                return '<a href="%s"><img src="%s"></a>' % \
                     (self._imgfield.url, prop.url)
     admin_thumbnail_view.short_description = _('Thumbnail')
     admin_thumbnail_view.allow_tags = True