From e11016b0a2f0b9f9b8520ab769dfd4928b026f92 Mon Sep 17 00:00:00 2001
From: Fabian Dill <fabian.dill@web.de>
Date: Sat, 10 Apr 2021 00:21:56 +0200
Subject: [PATCH] fix _done having ingredient letters instead of starting name

---
 worlds/factorio/Technologies.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/worlds/factorio/Technologies.py b/worlds/factorio/Technologies.py
index 377c8f56..a8aa904d 100644
--- a/worlds/factorio/Technologies.py
+++ b/worlds/factorio/Technologies.py
@@ -113,7 +113,7 @@ def recursively_get_unlocking_technologies(ingredient_name, _done=None) -> Set[T
         else:
             _done.add(ingredient_name)
     else:
-        _done = set(ingredient_name)
+        _done = {ingredient_name}
     recipe = all_product_sources.get(ingredient_name)
     if not recipe:
         return set()