在pycharm上使用pip install:ValueError:错误的封送数据（未知类型代码）

Question

我使用Pycharm和imtring在pip安装上安装，但是我得到了这个错误。我能帮个忙吗？在

错误消息： 值类型（错误：错误的数据封送代码）

Traceback (most recent call last):
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.2\helpers\packaging_tool.py", line 145, in main
    do_install(pkgs)
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.2\helpers\packaging_tool.py", line 59, in do_install
    run_pip(['install'] + pkgs)
  File "C:\Program Files\JetBrains\PyCharm Community Edition 2018.3.2\helpers\packaging_tool.py", line 73, in run_pip
    runpy.run_module(module_name, run_name='__main__', alter_sys=True)
  File "C:\Users\usr\AppData\Local\Programs\Python\Python37-32\lib\runpy.py", line 205, in run_module
    return _run_module_code(code, init_globals, run_name, mod_spec)
  File "C:\Users\usr\AppData\Local\Programs\Python\Python37-32\lib\runpy.py", line 96, in _run_module_code
    mod_name, mod_spec, pkg_name, script_name)
  File "C:\Users\usr\AppData\Local\Programs\Python\Python37-32\lib\runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "C:\Users\usr\PycharmProjects\Coding\Kidsafe\Prodaction\venv\lib\site-packages\pip\__main__.py", line 16, in <module>
    from pip._internal import main as _main  # isort:skip # noqa
  File "C:\Users\usr\PycharmProjects\Coding\Kidsafe\Prodaction\venv\lib\site-packages\pip\_internal\__init__.py", line 40, in <module>
    from pip._internal.cli.autocompletion import autocomplete
  File "C:\Users\usr\PycharmProjects\Coding\Kidsafe\Prodaction\venv\lib\site-packages\pip\_internal\cli\autocompletion.py", line 8, in <module>
    from pip._internal.cli.main_parser import create_main_parser
  File "C:\Users\usr\PycharmProjects\Coding\Kidsafe\Prodaction\venv\lib\site-packages\pip\_internal\cli\main_parser.py", line 8, in <module>
    from pip._internal.cli import cmdoptions
  File "C:\Users\usr\PycharmProjects\Coding\Kidsafe\Prodaction\venv\lib\site-packages\pip\_internal\cli\cmdoptions.py", line 16, in <module>
    from pip._internal.exceptions import CommandError
  File "C:\Users\usr\PycharmProjects\Coding\Kidsafe\Prodaction\venv\lib\site-packages\pip\_internal\exceptions.py", line 6, in <module>
    from pip._vendor.six import iteritems
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 724, in exec_module
  File "<frozen importlib._bootstrap_external>", line 857, in get_code
  File "<frozen importlib._bootstrap_external>", line 525, in _compile_bytecode
ValueError: bad marshal data (unknown type code)

Answer 1

根据我使用googlefu找到的各种来源，这看起来是由一个损坏的*.pyc文件造成的。您可能希望递归地删除编译过的python文件（*.pyc），然后再试一次。见here。在