--- a/python/sumo.py	Fri May 25 18:15:18 2018 -0400
+++ b/python/sumo.py	Sun May 27 23:22:48 2018 -0400
@@ -16,7 +16,7 @@
         f.readline() # skip the headers
         for r in f:
             tmp = r.strip().split(',')
-	    tazID = tmp[1]
+            tazID = tmp[1]
             for edge in tmp[2:]:                
                 if len(edge) > 0:
                     if tazID in tazs:
@@ -29,7 +29,7 @@
 def edge2Taz(tazs):
     '''Returns the associative array of the TAZ of each SUMO edge'''
     edge2Tazs = {}
-    for taz, edges in tazs.iteritems():
+    for taz, edges in tazs.items():
         for edge in edges:
             if edge in edge2Tazs:
                 print('error for edge: {} (taz {}/{})'.format(edge, edge2Tazs[edge], taz))
@@ -38,11 +38,11 @@
 
 def saveTazEdges(outFilename, tazs):
     with open(outFilename,'w') as out:
-	out.write('<tazs>\n')				
-	for tazID in tazs:
-	    out.write('<taz id="{}" edges="'.format(tazID)+' '.join(tazs[tazID])+'"/>\n')
-	out.write('</tazs>\n')
-    
+        out.write('<tazs>\n')
+        for tazID in tazs:
+            out.write('<taz id="{}" edges="'.format(tazID)+' '.join(tazs[tazID])+'"/>\n')
+        out.write('</tazs>\n')
+
 # TODO add utils from process-cyber.py?
         
 # if __name__ == "__main__":