From 29266b82cd9087bb578e98d65d7d1c3c97ebcb79 Mon Sep 17 00:00:00 2001
From: Martin Bauer <martin.bauer@fau.de>
Date: Tue, 22 Nov 2016 17:17:24 +0100
Subject: [PATCH] Full Cumulants support

- wrote a new, separate lattice model for cumulants
- tested with 2D LDC
---
 transformations.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/transformations.py b/transformations.py
index e2c2e2291..565367b9a 100644
--- a/transformations.py
+++ b/transformations.py
@@ -15,6 +15,8 @@ def fastSubs(term, subsDict):
     def visit(expr):
         if expr in subsDict:
             return subsDict[expr]
+        if not hasattr(expr, 'args'):
+            return expr
         paramList = [visit(a) for a in expr.args]
         return expr if not paramList else expr.func(*paramList)
     return visit(term)
-- 
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