ran python 2to3 tool on Python test scripts, OK

TestChangeStatsDirected/README

@@ -15,8 +15,6 @@ polblogs_test_results_baseline.txt is the output from
 PNet code to compare output with as a regression test,
 which is what run_test_polblogs.sh does.
 
-Note python scripts all require Python 2 (and NOT Python 3,
-which is not backward compatibile with Python 2).
 
 ADS
 Mon, Apr 30, 2018  1:03:02 PM

TestChangeStatsDirected/checkSetFunctions.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 ##############################################################################
 #
 # checkSetFunctions.py - verify set similarity (Jaccard) results
@@ -88,7 +88,7 @@ def main():
         sim = float(sim)
         vsim = jaccard_index(setlist[i], setlist[j])
         if (abs(sim - vsim) > 1e-05):
-            print 'FAIL',i,j,sim,vsim
+            print('FAIL',i,j,sim,vsim)
             exitcode = -1
 
     sys.exit(exitcode)

TestChangeStatsDirected/genRandomNodeNums.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 ##############################################################################
 #
 # genRandomNodeNums.py - generate random continuous attributes
@@ -67,8 +67,8 @@ def main():
     num_pairs = int(args[0])
     N = int(args[1])
 
-    for i in xrange(num_pairs):
-      nodepair = random.sample(xrange(N), 2)
+    for i in range(num_pairs):
+      nodepair = random.sample(range(N), 2)
       sys.stdout.write("%d %d\n" % (nodepair[0], nodepair[1]))
 
 

TestChangeStatsDirected/run_test_sets.sh

@@ -23,7 +23,7 @@ cat ${INPUT} | cut -d' ' -f1 > ${TMP_INPUT}
 echo "Running tests on set parsing and set similarity functions..."
 
 time ./testSetFunctions ${TMP_INPUT} > ${OUTPUT}
-python2 ./checkSetFunctions.py ${TMP_INPUT} ${OUTPUT} > ${CHECK_OUTPUT}
+python3 ./checkSetFunctions.py ${TMP_INPUT} ${OUTPUT} > ${CHECK_OUTPUT}
 
 if [ $? -eq 0 ]; then
     echo