Move 404 handler into 'main' blueprint

nyaa/routes.py

@@ -19,11 +19,6 @@ def category_name(cat_id):
     return ' - '.join(get_category_id_map().get(cat_id, ['???']))
 
 
-@app.errorhandler(404)
-def not_found(error):
-    return flask.render_template('404.html'), 404
-
-
 @cached_function
 def get_category_id_map():
     ''' Reads database for categories and turns them into a dict with

nyaa/views/main.py

@@ -14,6 +14,11 @@ from nyaa.views.account import logout
 bp = flask.Blueprint('main', __name__)
 
 
+@bp.app_errorhandler(404)
+def not_found(error):
+    return flask.render_template('404.html'), 404
+
+
 @bp.before_app_request
 def before_request():
     flask.g.user = None