Fix leak of request objects through render

src/dyns/controllers.py

@@ -12,15 +12,6 @@ class BaseController(milla.controllers.Controller):
 
     TMPL_LOADER = jinja2.PackageLoader(__name__.rsplit('.', 1)[0])
 
-    def __init__(self):
-        # allowed_methods must be set on the instance rather than the
-        # class because of how Milla does attribute copying to the
-        # partial the router creates.
-        try:
-            self.allowed_methods = self.__class__.allowed_methods
-        except AttributeError:
-            pass
-
     def __before__(self, request):
         super(BaseController, self).__before__(request)
         self.session = model.Session()
@@ -51,6 +42,7 @@ class BaseController(milla.controllers.Controller):
         self.session.rollback()
         self.session.bind.dispose()
         del self.session
+        del self.render
 
 
 def index(request):