From f68caffcf156884c200ec851b2d0abd034dcfa48 Mon Sep 17 00:00:00 2001
From: Matt Wala <wala1@illinois.edu>
Date: Thu, 8 Mar 2018 21:09:41 -0600
Subject: [PATCH] Fix wrong variable

---
 pymbolic/imperative/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pymbolic/imperative/utils.py b/pymbolic/imperative/utils.py
index e609807..035f51a 100644
--- a/pymbolic/imperative/utils.py
+++ b/pymbolic/imperative/utils.py
@@ -66,7 +66,7 @@ def get_dot_dependency_graph(
                 repr(tooltip)[1:-1],
                 )
 
-    lines = list(_default_preamble_hook())
+    lines = list(preamble_hook())
     dep_graph = {}
 
     # maps (oriented) edge onto annotation string
-- 
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