From d6e42030dcda48ca0731243cfff17d81fcd9e80d Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sun, 9 Nov 2014 14:31:00 -0500
Subject: [PATCH] Re-fix kernel_extra_kwargs, for the umpteenth time

---
 sumpy/fmm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sumpy/fmm.py b/sumpy/fmm.py
index 112f75c4..92a5c2e2 100644
--- a/sumpy/fmm.py
+++ b/sumpy/fmm.py
@@ -98,7 +98,7 @@ class SumpyExpansionWrangler(object):
         self.tree = tree
         self.dtype = dtype
 
-        if kernel_extra_kwargs is not None:
+        if kernel_extra_kwargs is None:
             kernel_extra_kwargs = {}
 
         self.source_extra_kwargs = source_extra_kwargs
-- 
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