Re: AttributeError: cffi library '_constant_time' has no function, constant or global variable named '__spec__'

Searches to both of your error messages suggested a mismatch in .so objects. I would uninstall and reinstall Django and see if that helps.

-Jorge

On Sun, Oct 20, 2019 at 7:59 AM 'Abhishek Sharma' via Django users <django-users@googlegroups.com> wrote:

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "manage.py", line 21, in <module>

    main()

  File "manage.py", line 17, in main

    execute_from_command_line(sys.argv)

  File "C:\Python35\lib\site-packages\django\core\management\__init__.py", line 381, in execute_from_command_line

    utility.execute()

  File "C:\Python35\lib\site-packages\django\core\management\__init__.py", line 375, in execute

    self.fetch_command(subcommand).run_from_argv(self.argv)

  File "C:\Python35\lib\site-packages\django\core\management\base.py", line 323, in run_from_argv

    self.execute(*args, **cmd_options)

  File "C:\Python35\lib\site-packages\django\core\management\commands\runserver.py", line 60, in execute

    super().execute(*args, **options)

  File "C:\Python35\lib\site-packages\django\core\management\base.py", line 364, in execute

    output = self.handle(*args, **options)

  File "C:\Python35\lib\site-packages\django\core\management\commands\runserver.py", line 95, in handle

    self.run(**options)

  File "C:\Python35\lib\site-packages\django\core\management\commands\runserver.py", line 102, in run

    autoreload.run_with_reloader(self.inner_run, **options)

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 598, in run_with_reloader

    start_django(reloader, main_func, *args, **kwargs)

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 583, in start_django

    reloader.run(django_main_thread)

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 301, in run

    self.run_loop()

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 307, in run_loop

    next(ticker)

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 347, in tick

    for filepath, mtime in self.snapshot_files():

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 363, in snapshot_files

    for file in self.watched_files():

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 262, in watched_files

    yield from iter_all_python_module_files()

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 103, in iter_all_python_module_files

    return iter_modules_and_files(modules, frozenset(_error_files))

  File "C:\Python35\lib\site-packages\django\utils\autoreload.py", line 124, in iter_modules_and_files

    if getattr(module, '__spec__', None) is None:

SystemError: <built-in function getattr> returned a result with an error set

On Sunday, October 20, 2019 at 8:27:48 PM UTC+5:30, Abhishek Sharma wrote:

I'm using Django and while run code getting below error, please help out on it

AttributeError: cffi library '_constant_time' has no function, constant or global variable named '__spec__'

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