--- gprof2dot.py	2013-05-29 19:18:46.217823810 +0300
+++ gprof2dot.py	2013-06-16 12:12:28.095478734 +0300
@@ -39,6 +39,7 @@
     def compat_keys(x): return list(x.keys())  # keys() is a generator in Python 3
     basestring = str  # No class basestring in Python 3
     unichr = chr # No unichr in Python 3
+    xrange = range # No xrange in Python 3
 else:
     PYTHON_3 = False
     def compat_iteritems(x): return x.iteritems()