spiders are asking for weird urls

core/views/expo.py

@@ -56,6 +56,8 @@ def expofiles_redirect(request, filepath):
     """
     return redirect(urljoin("http://expo.survex.com/expofiles/", filepath))
 
+def spider(request, _):
+    return redirect("/?#") # so that suffixes applied by spider are no longer part of the url
 
 def map(request):
     """Serves unadorned the expoweb/map/map.html file"""