From 467773585d8ded349ddc144cbbe44fa2dac894d4 Mon Sep 17 00:00:00 2001
From: Isuru Fernando <isuruf@gmail.com>
Date: Wed, 3 Apr 2019 00:01:48 -0500
Subject: [PATCH] Fix list copying

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

diff --git a/sumpy/expansion/__init__.py b/sumpy/expansion/__init__.py
index 673b595b..1010483f 100644
--- a/sumpy/expansion/__init__.py
+++ b/sumpy/expansion/__init__.py
@@ -514,7 +514,7 @@ class PDE(object):
         self.eqs = eqs
 
     def __mul__(self, param):
-        eqs = self.eqs.copy()
+        eqs = self.eqs[:]
         for eq in eqs:
             for k, v in eq.items():
                 eq[k] = eq[k] * param
-- 
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