Convert sampson.py example to work with python2.5.

Add comment to block code so we can switch to isdisjoint when moving past 2.5

--HG--
extra : convert_revision : svn%3A3ed01bd8-26fb-0310-9e4c-ca1a4053419f/networkx/trunk%401649

1 files changed, 4 insertions, 4 deletions

diff --git a/examples/drawing/sampson.py b/examples/drawing/sampson.py
index b1e9b072..0655102b 100644
--- a/examples/drawing/sampson.py
+++ b/examples/drawing/sampson.py
@@ -13,14 +13,14 @@ __author__ = """Aric Hagberg (hagberg@lanl.gov)"""
 #    All rights reserved.
 #    BSD license.
 
-import zipfile
+import zipfile, cStringIO
 import networkx as nx
 import matplotlib.pyplot as plt
 
 zf = zipfile.ZipFile('sampson_data.zip') # zipfile object
-e1=zf.open('samplike1.txt') # read info file
-e2=zf.open('samplike2.txt') # read info file
-e3=zf.open('samplike3.txt') # read info file
+e1=cStringIO.StringIO(zf.read('samplike1.txt')) # read info file
+e2=cStringIO.StringIO(zf.read('samplike2.txt')) # read info file
+e3=cStringIO.StringIO(zf.read('samplike3.txt')) # read info file
 G1=nx.read_edgelist(e1,delimiter='\t')
 G2=nx.read_edgelist(e2,delimiter='\t')
 G3=nx.read_edgelist(e3,delimiter='\t')