range: lean and mean

Lib/test/test_enumerate.py

 import unittest
 import sys
 
 from test import test_support
 
 class G:
     'Sequence using __getitem__'
     def __init__(self, seqn):
         self.seqn = seqn
     def __getitem__(self, i):
@@ skipping 103 matching lines @@
 class SubclassTestCase(EnumerateTestCase):
 
     enum = MyEnum
 
 class TestEmpty(EnumerateTestCase):
 
     seq, res = '', []
 
 class TestBig(EnumerateTestCase):
 
-    seq = range(10,20000,2)
+    seq = list(range(10,20000,2))
     res = list(zip(range(20000), seq))
 
 class TestReversed(unittest.TestCase):
 
     def test_simple(self):
         class A:
             def __getitem__(self, i):
                 if i < 5:
                     return str(i)
                 raise StopIteration
@@ skipping 70 matching lines @@
     import sys
     if verbose and hasattr(sys, "gettotalrefcount"):
         counts = [None] * 5
         for i in range(len(counts)):
             test_support.run_unittest(*testclasses)
             counts[i] = sys.gettotalrefcount()
         print(counts)
 
 if __name__ == "__main__":
     test_main(verbose=True)