Remove legacy Package.uploaders PackageVersion.{uploader,readme,changelog} properties

app/handlers/__init__.py

Index: app/handlers/__init__.py
diff --git a/app/handlers/__init__.py b/app/handlers/__init__.py
index 1101c0a680d1f5fc02a68cc9ab57a52626a78b4b..0b6a27bf63b4a2155f6999d7008586faa0b8e56e 100644
--- a/app/handlers/__init__.py
+++ b/app/handlers/__init__.py
@@ -238,7 +238,7 @@ def requires_uploader(fn, *args, **kwargs):
     if is_current_user_admin(): return fn(*args, **kwargs)
 
     package = request().maybe_package
-    if package and not package.has_uploader(get_current_user()):
+    if package and not package.has_uploader_email(get_current_user().email()):
         message = "You aren't an uploader for package '%s'." % package.name
         if request().is_json:
             http_error(403, message)