test_textwrap seems OK with r76697

I still have leaks on test_pipes and test_urllib:

~ $ ./python Lib/test/regrtest.py -R : test_textwrap \
             test_pipes test_urllib
test_pipes leaked [0, -26, 0, 26] references, sum=0
test_pipes leaked [0, -26, 26, -26] references, sum=-26
test_pipes leaked [-26, 26, 0, 0] references, sum=0
test_pipes leaked [26, -26, 26, 0] references, sum=26
test_urllib leaked [0, 2, 0, 0] references, sum=2
test_urllib leaked [4, 6, 0, 2] references, sum=12
test_urllib leaked [2, 4, 2, 0] references, sum=8
test_urllib leaked [6, 6, 2, 0] references, sum=14