From 06afa33d7c3ac5cdefa26e9951c1803c99aa4778 Mon Sep 17 00:00:00 2001
From: Stephan Seitz <stephan.seitz@fau.de>
Date: Mon, 13 Jan 2020 16:41:02 +0100
Subject: [PATCH] use hashlib instead of hash for Interpolator

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

diff --git a/pystencils/interpolation_astnodes.py b/pystencils/interpolation_astnodes.py
index c51bad4cc..71bb325b2 100644
--- a/pystencils/interpolation_astnodes.py
+++ b/pystencils/interpolation_astnodes.py
@@ -81,7 +81,7 @@ class Interpolator(object):
         self.field.field_type = pystencils.field.FieldType.CUSTOM
         self.address_mode = address_mode
         self.use_normalized_coordinates = use_normalized_coordinates
-        hash_str = "%x" % abs(hash(self.field) + hash(address_mode))
+        hash_str = hashlib.md5(f'{self.field}_{address_mode}'.encode()).hexdigest()
         self.symbol = TypedSymbol('dummy_symbol_carrying_field' + self.field.name + hash_str,
                                   'dummy_symbol_carrying_field' + self.field.name + hash_str)
         self.symbol.field = self.field
-- 
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