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python-3.x - 任何人都可以解决我的问题我正在尝试在 ubuntu 20.04 中运行 django 服务器但无法运行

问题描述

我已经创建了 env 变量并在成功安装 django 服务器之后安装了 python3，但是我收到错误并且无法从服务器接收任何端口或 ip。我担心的是无法运行 django 服务器。错误代码如下


env) (base) developer@MCA:~/django-apps/project/myapp$ python manage.py runserver
Exception ignored in thread started by: <function check_errors.<locals>.wrapper at 0x7fdb26e420d0>
Traceback (most recent call last):
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/utils/autoreload.py", line 227, in wrapper
    fn(*args, **kwargs)
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/core/management/commands/runserver.py", line 117, in inner_run
    autoreload.raise_last_exception()
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/utils/autoreload.py", line 250, in raise_last_exception
    six.reraise(*_exception)
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/utils/six.py", line 685, in reraise
    raise value.with_traceback(tb)
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/utils/autoreload.py", line 227, in wrapper
    fn(*args, **kwargs)
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/__init__.py", line 27, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/apps/registry.py", line 85, in populate
    app_config = AppConfig.create(entry)
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/apps/config.py", line 94, in create
    module = import_module(entry)
  File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/contrib/admin/__init__.py", line 4, in <module>
    from django.contrib.admin.filters import (
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/contrib/admin/filters.py", line 10, in <module>
    from django.contrib.admin.options import IncorrectLookupParameters
  File "/home/developer/django-apps/env/lib/python3.8/site-packages/django/contrib/admin/options.py", line 12, in <module>
    from django.contrib.admin import helpers, widgets
SyntaxError: Generator expression must be parenthesized (widgets.py, line 151)

标签： python-3.xdjangodjango-modelsdjango-formsdjango-templates

解决方案

我认为，如果您按照此处的步骤进行操作，您将解决它： here

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