fix broken instance cache on misses

backend/config/config.exs

@@ -90,10 +90,6 @@ config :backend, Backend.Scheduler,
     {"0 */3 * * *", {Backend.Scheduler, :check_for_spam_instances, []}}
   ]
 
-config :phoenix, :template_engines,
-  eex: Appsignal.Phoenix.Template.EExEngine,
-  exs: Appsignal.Phoenix.Template.ExsEngine
-
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env()}.exs"

backend/lib/graph/cache.ex

@@ -83,6 +83,7 @@ defmodule Graph.Cache do
 
         # Cache for five minutes
         Cache.put(key, crawl, ttl: 300)
+        crawl
 
       data ->
         Appsignal.increment_counter("most_recent_crawl_cache.hits", 1)