From 1940e5b2ff948e4458d63d1a2f85168cad5a0602 Mon Sep 17 00:00:00 2001
From: Markus Holzer <markus.holzer@fau.de>
Date: Tue, 21 Dec 2021 16:35:47 +0100
Subject: [PATCH] Fix index kernel

---
 pystencils/astnodes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pystencils/astnodes.py b/pystencils/astnodes.py
index 7991f4780..ed03bf762 100644
--- a/pystencils/astnodes.py
+++ b/pystencils/astnodes.py
@@ -573,7 +573,7 @@ class SympyAssignment(Node):
     def __is_declaration(self):
         from pystencils.typing import CastFunc
         if isinstance(self._lhs_symbol, CastFunc):
-            assert False, f'{self._lhs_symbol} should not be a CastFunc'
+            return False
         if any(isinstance(self._lhs_symbol, c) for c in (Field.Access, sp.Indexed, TemporaryMemoryAllocation)):
             return False
         return True
-- 
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