From b079f51028571bc603b8d43761c29ff56273bffc Mon Sep 17 00:00:00 2001
From: Joel Martin <github@martintribe.org>
Date: Sun, 6 Apr 2014 16:24:27 -0500
Subject: C,PHP,Python: stepA fixup. All tests/impls pass!

---
 python/core.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'python/core.py')

diff --git a/python/core.py b/python/core.py
index 92ae3d9..28d9c5e 100644
--- a/python/core.py
+++ b/python/core.py
@@ -34,7 +34,8 @@ def assoc(src_hm, *key_vals):
 
 def dissoc(src_hm, *keys):
     hm = copy.copy(src_hm)
-    for key in keys: del hm[key]
+    for key in keys:
+        if key in hm: del hm[key]
     return hm
 
 def get(hm, key):
-- 
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