From a4b57762086cbb8c93a2f9b0d3c9481a4f3e2cf7 Mon Sep 17 00:00:00 2001
From: Jan Petykiewicz <anewusername@gmail.com>
Date: Sun, 12 Jul 2020 03:50:19 -0700
Subject: [PATCH] Don't return early, since we add patterns to memo before
 they've been checked

---
 masque/pattern.py | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/masque/pattern.py b/masque/pattern.py
index 84c274d..f254352 100644
--- a/masque/pattern.py
+++ b/masque/pattern.py
@@ -913,9 +913,6 @@ class Pattern:
             A filtered list in which no pattern is referenced by any other pattern.
         """
         def get_children(pat: Pattern, memo: Set) -> Set:
-            if pat in memo:
-                return memo
-
             children = set(sp.pattern for sp in pat.subpatterns if sp.pattern is not None)
             new_children = children - memo
             memo |= children