From 7163fca001bb94660a793dbb0abae2130a5d4f6a Mon Sep 17 00:00:00 2001
From: Stephan Seitz <stephan.seitz@fau.de>
Date: Tue, 1 Oct 2019 14:31:08 +0200
Subject: [PATCH] Add missing `property` to `AssignmentCollection.free_fields`

---
 pystencils/simp/assignment_collection.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pystencils/simp/assignment_collection.py b/pystencils/simp/assignment_collection.py
index fd5c8271..ce9f1c9f 100644
--- a/pystencils/simp/assignment_collection.py
+++ b/pystencils/simp/assignment_collection.py
@@ -111,6 +111,7 @@ class AssignmentCollection:
             "Not in SSA form - same symbol assigned multiple times"
         return bound_symbols_set
 
+    @property
     def free_fields(self):
         """All fields accessed in the assignment collection, which do not occur as left hand sides in any assignment."""
         return {s.field for s in self.free_symbols if hasattr(s, 'field')}
-- 
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