【发布时间】：2018-11-19 04:32:11
【问题描述】：
我在 linux(Ubuntu16.04) 上运行 Django 项目，最近我正在卸载我的操作系统并在我的系统上重新安装相同的操作系统。我以前有一些 django 项目，它在安装 os 和 All django 后运行良好包它没有运行，但是如果我使用 django-admin startproject 名称创建任何新的 django 项目.. 它可以工作。
我得到以下错误
Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x7f7ceceb5730>
Traceback (most recent call last):
File "/home/balu/Desktop/yottaasys/django-hrms/hrm_env/lib/python3.5/site-packages/django/utils/autoreload.py", line 227, in wrapper
fn(*args, **kwargs)
File "/home/balu/Desktop/yottaasys/django-hrms/hrm_env/lib/python3.5/site-packages/django/core/management/commands/runserver.py", line 117, in inner_run
autoreload.raise_last_exception()
File "/home/balu/Desktop/yottaasys/django-hrms/hrm_env/lib/python3.5/site-packages/django/utils/autoreload.py", line 250, in raise_last_exception
six.reraise(*_exception)
File "/home/balu/Desktop/yottaasys/django-hrms/hrm_env/lib/python3.5/site-packages/django/utils/six.py", line 685, in reraise
raise value.with_traceback(tb)
File "/home/balu/Desktop/yottaasys/django-hrms/hrm_env/lib/python3.5/site-packages/django/utils/autoreload.py", line 227, in wrapper
fn(*args, **kwargs)
File "/home/balu/Desktop/yottaasys/django-hrms/hrm_env/lib/python3.5/site-packages/django/__init__.py", line 22, in setup
configure_logging(settings.LOGGING_CONFIG, settings.LOGGING)
File "/home/balu/Desktop/yottaasys/django-hrms/hrm_env/lib/python3.5/site-packages/django/utils/log.py", line 75, in configure_logging
logging_config_func(logging_settings)
File "/usr/lib/python3.5/logging/config.py", line 795, in dictConfig
dictConfigClass(config).configure()
File "/usr/lib/python3.5/logging/config.py", line 490, in configure
raise ValueError("dictionary doesn't specify a version")
ValueError: dictionary doesn't specify a version【问题讨论】：