range: lean and mean

Lib/test/test_trace.py

 # Testing the line trace facility.
 
 from test import test_support
 import unittest
 import sys
 import difflib
 
 # A very basic example.  If this fails, we're in deep trouble.
 def basic():
     return 1
@@ skipping 143 matching lines @@
 ireturn_example.events = [(0, 'call'),
                           (1, 'line'),
                           (2, 'line'),
                           (3, 'line'),
                           (4, 'line'),
                           (6, 'line'),
                           (6, 'return')]
 
 # Tight loop with while(1) example (SF #765624)
 def tightloop_example():
-    items = range(0, 3)
+    items = list(range(0, 3))
     try:
         i = 0
         while 1:
             b = items[i]; i+=1
     except IndexError:
         pass
 
 tightloop_example.events = [(0, 'call'),
                             (1, 'line'),
                             (2, 'line'),
                             (3, 'line'),
                             (4, 'line'),
                             (5, 'line'),
                             (5, 'line'),
                             (5, 'line'),
                             (5, 'line'),
                             (5, 'exception'),
                             (6, 'line'),
                             (7, 'line'),
                             (7, 'return')]
 
 def tighterloop_example():
-    items = range(1, 4)
+    items = list(range(1, 4))
     try:
         i = 0
         while 1: i = items[i]
     except IndexError:
         pass
 
 tighterloop_example.events = [(0, 'call'),
                             (1, 'line'),
                             (2, 'line'),
                             (3, 'line'),
@@ skipping 533 matching lines @@
 
 def test_main():
     test_support.run_unittest(
         TraceTestCase,
         RaisingTraceFuncTestCase,
         JumpTestCase
     )
 
 if __name__ == "__main__":
     test_main()