Exceptions during import now display huge tracebacks across importlib._bootstrap, this adds a lot of noise to the error:

For example, I added some syntax error in distutils/spawn.py, then:

~/python/cpython3.x$ ./python -c "from distutils import ccompiler"
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "<frozen importlib._bootstrap>", line 1335, in _handle_fromlist
  File "<frozen importlib._bootstrap>", line 1288, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1255, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 432, in _check_name_wrapper
  File "<frozen importlib._bootstrap>", line 778, in load_module
  File "<frozen importlib._bootstrap>", line 759, in load_module
  File "<frozen importlib._bootstrap>", line 408, in module_for_loader_wrapper
  File "<frozen importlib._bootstrap>", line 647, in _load_module
  File "/home/amauryfa/python/cpython3.x/Lib/distutils/ccompiler.py", line 8, in <module>
    from distutils.spawn import spawn
  File "<frozen importlib._bootstrap>", line 1288, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1255, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 432, in _check_name_wrapper
  File "<frozen importlib._bootstrap>", line 778, in load_module
  File "<frozen importlib._bootstrap>", line 759, in load_module
  File "<frozen importlib._bootstrap>", line 408, in module_for_loader_wrapper
  File "<frozen importlib._bootstrap>", line 635, in _load_module
  File "<frozen importlib._bootstrap>", line 736, in get_code
  File "/home/amauryfa/python/cpython3.x/Lib/distutils/spawn.py", line 14
    does not compile
                   ^
SyntaxError: invalid syntax