From 26784147222c5c0167693d3c9673a264abb56c55 Mon Sep 17 00:00:00 2001
From: MSeal <mseal007@gmail.com>
Date: Tue, 10 Jun 2014 15:31:40 -0700
Subject: [PATCH] Cleaned up swap statement

---
 agglomcluster/agglomod.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/agglomcluster/agglomod.py b/agglomcluster/agglomod.py
index 8958b78..70f6a82 100644
--- a/agglomcluster/agglomod.py
+++ b/agglomcluster/agglomod.py
@@ -148,10 +148,8 @@ def run_greedy_clustering(self, quality, reheap_steps=500):
 
     def add_pair_to_cost_heap(self, id1, id2):
         qd = self.quality_difference(id1, id2)
-        if(id2 < id1):
-            temp = id1
-            id1 = id2
-            id2 = temp
+        if id2 < id1:
+            id1, id2 = id2, id1
         # Negate quality difference (to maximize), AND id1 < id2
         heapq.heappush(self.pair_cost_heap, (-qd, id1, id2))