It seems the benchmark script didn't survive the migration:


$ ./python -m importlib.test.benchmark
Measuring imports/second over 1 second, best out of 3
Entire benchmark run should take about 33 seconds
Using <function __import__ at 0x7fdea5b3d7a0> as __import__

sys.modules [ 289195 288128 288050 ] best is 289,195
Built-in module [ 48351 48101 48432 ] best is 48,432
Source writing bytecode: small [ Traceback (most recent call last):
  File "/home/antoine/cpython/opt/Lib/importlib/test/benchmark.py", line 30, in bench
    total_time += timer.timeit(1)
  File "/home/antoine/cpython/opt/Lib/timeit.py", line 190, in timeit
    timing = self.inner(it, self.timer)
  File "<timeit-src>", line 6, in inner
  File "/home/antoine/cpython/opt/Lib/importlib/_bootstrap.py", line 1077, in __import__
    module = _gcd_import(name)
  File "/home/antoine/cpython/opt/Lib/importlib/_bootstrap.py", line 1024, in _gcd_import
    return _find_and_load(name, _gcd_import)
  File "/home/antoine/cpython/opt/Lib/importlib/_bootstrap.py", line 974, in _find_and_load
    raise ImportError(_ERR_MSG.format(name), name=name)
ImportError: No module named '__importlib_test_benchmark__'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/antoine/cpython/opt/Lib/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/home/antoine/cpython/opt/Lib/runpy.py", line 75, in _run_code
    exec(code, run_globals)
  File "/home/antoine/cpython/opt/Lib/importlib/test/benchmark.py", line 239, in <module>
    main(import_, options)
  File "/home/antoine/cpython/opt/Lib/importlib/test/benchmark.py", line 197, in main
    for result in benchmark(seconds=seconds, repeat=repeat):
  File "/home/antoine/cpython/opt/Lib/importlib/test/benchmark.py", line 108, in source_writing_bytecode
    for result in bench(name, cleanup, repeat=repeat, seconds=seconds):
  File "/home/antoine/cpython/opt/Lib/importlib/test/benchmark.py", line 32, in bench
    cleanup()
  File "/home/antoine/cpython/opt/Lib/importlib/test/benchmark.py", line 106, in cleanup
    sys.modules.pop(name)
KeyError: '__importlib_test_benchmark__'

New changeset e1d0535372d0 by Brett Cannon in branch 'default':
Issue #14764: Update importlib.test.benchmark to work in a world where
http://hg.python.org/cpython/rev/e1d0535372d0