routes: fix constant 404s due to new werkzeug handling of /

app/utils/converters.py

@@ -25,9 +25,10 @@ from slugify import slugify
 
 class ForumConverter(BaseConverter):
 
-    # This regex will decide which portion of the URL is matched by the curtom
-    # converter. By default, slashes are not included, so we must add them.
+    # This regex will decide which portion of the URL is converted.
     regex = r'[a-z/]+'
+    # Allow slashes to be matched by the regex (this is not by default)
+    part_isolating = False
 
     def to_python(self, url):
         url = '/' + url
@@ -44,6 +45,7 @@ class PageConverter(BaseConverter):
     # Matches integers for the topic number, then either nothing, a page
     # number, a slug, or a page number followed by a slug
     regex = r'(\d+)(?:/(\d+)|/fin)?(?:/[\w-]+)?'
+    part_isolating = False
     object = None
     get_title = lambda o: "empty-title"