他的回复:
同样的问题：>>> import selectors# /usr/local/python3.7.5/lib/python3.7/__pycache__/selectors.cpython-37.pyc matches /usr/local/python3.7.5/lib/python3.7/selectors.py# code object from '/usr/local/python3.7.5/lib/python3.7/__pycache__/selectors.cpython-37.pyc'# /usr/local/python3.7.5/lib/python3.7/collections/__pycache__/__init__.cpython-37.pyc matches /usr/local/python3.7.5/lib/python3.7/collections/__init__.py# code object from '/usr/local/python3.7.5/lib/python3.7/collections/__pycache__/__init__.cpython-37.pyc'# /usr/local/python3.7.5/lib/python3.7/__pycache__/operator.cpython-37.pyc matches /usr/local/python3.7.5/lib/python3.7/operator.py# code object from '/usr/local/python3.7.5/lib/python3.7/__pycache__/operator.cpython-37.pyc'import '_operator' # import 'operator' # _frozen_importlib_external.SourceFileLoader object at 0xffffb37a6c90># /usr/local/python3.7.5/lib/python3.7/__pycache__/keyword.cpython-37.pyc matches /usr/local/python3.7.5/lib/python3.7/keyword.py# code object from '/usr/local/python3.7.5/lib/python3.7/__pycache__/keyword.cpython-37.pyc'import 'keyword' # _frozen_importlib_external.SourceFileLoader object at 0xffffb37a99d0># /usr/local/python3.7.5/lib/python3.7/__pycache__/heapq.cpython-37.pyc matches /usr/local/python3.7.5/lib/python3.7/heapq.py# code object from '/usr/local/python3.7.5/lib/python3.7/__pycache__/heapq.cpython-37.pyc'import 'heapq' # _frozen_importlib_external.SourceFileLoader object at 0xffffb373a4d0>import 'itertools' # # /usr/local/python3.7.5/lib/python3.7/__pycache__/reprlib.cpython-37.pyc matches /usr/local/python3.7.5/lib/python3.7/reprlib.py# code object from '/usr/local/python3.7.5/lib/python3.7/__pycache__/reprlib.cpython-37.pyc'import 'reprlib' # _frozen_importlib_external.SourceFileLoader object at 0xffffb3730690>import '_collections' # import 'collections' # _frozen_importlib_external.SourceFileLoader object at 0xffffb3786790># /usr/local/python3.7.5/lib/python3.7/collections/__pycache__/abc.cpython-37.pyc matches /usr/local/python3.7.5/lib/python3.7/collections/abc.py# code object from '/usr/local/python3.7.5/lib/python3.7/collections/__pycache__/abc.cpython-37.pyc'import 'collections.abc' # _frozen_importlib_external.SourceFileLoader object at 0xffffb3731350>Traceback (most recent call last): File "", line 1, in File "", line 983, in _find_and_load File "", line 967, in _find_and_load_unlocked File "", line 677, in _load_unlocked File "", line 728, in exec_module File "", line 219, in _call_with_frames_removed File "/usr/local/python3.7.5/lib/python3.7/selectors.py", line 11, in import math File "", line 983, in _find_and_load File "", line 965, in _find_and_load_unlockedModuleNotFoundError: No module named 'math'>>>
