run mix format

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -562,7 +562,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     # nickname can be nil because of virtual actors
     user_data =
       if data["preferredUsername"] do
-        Map.put(user_data, :nickname, "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}")
+        Map.put(
+          user_data,
+          :nickname,
+          "#{data["preferredUsername"]}@#{URI.parse(data["id"]).host}"
+        )
       else
         Map.put(user_data, :nickname, nil)
       end