在CentOS上，应用程序启动，但是当我将浏览器导航到服务器的端口8000时，我收到此错误：
June 12, 2016 - 20:03:23
Django version 1.8.4, using settings 'mobilify.settings'
Starting development server at http://0.0.0.0:8000/
Quit the server with CONTROL-C.
Traceback (most recent call last):
File "/usr/lib64/python2.7/wsgiref/handlers.py", line 85, in run
self.result = application(self.environ, self.start_response)
File "/usr/lib/python2.7/site-packages/django/core/handlers/wsgi.py", line 189, in __call__
response = self.get_response(request)
File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 218, in get_response
response = self.handle_uncaught_exception(request, resolver, sys.exc_info())
File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 264, in handle_uncaught_exception
if resolver.urlconf_module is None:
File "/usr/lib/python2.7/site-packages/django/core/urlresolvers.py", line 396, in urlconf_module
self._urlconf_module = import_module(self.urlconf_name)
File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/home/nginxsite/mobilify/mobilify/mobilify/urls.py", line 8, in <module>
admin.autodiscover()
File "/usr/lib/python2.7/site-packages/django/contrib/admin/__init__.py", line 24, in autodiscover
autodiscover_modules('admin', register_to=site)
File "/usr/lib/python2.7/site-packages/django/utils/module_loading.py", line 74, in autodiscover_modules
import_module('%s.%s' % (app_config.name, module_to_search))
File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/home/nginxsite/mobilify/mobilify/app/client/admin.py", line 51, in <module>
class ClientAdminForm(forms.ModelForm):
File "/home/nginxsite/mobilify/mobilify/app/client/admin.py", line 65, in ClientAdminForm
class Meta:
File "/home/nginxsite/mobilify/mobilify/app/client/admin.py", line 98, in Meta
select2_options={"width": "220px"}
File "/usr/lib64/python2.7/site-packages/django_select2/widgets.py", line 112, in __init__
super(Select2Mixin, self).__init__(**kwargs)
TypeError: __init__() takes at least 10 arguments (3 given)
[12/Jun/2016 20:03:57] "GET / HTTP/1.1" 500 59
同样的应用程序在Ubuntu 14.04上运行顺利，安装了相同的Django版本。我在这里没有想法，请帮助我。
CentOS计算机安装了以下软件包：
amqp (1.4.9)
anyjson (0.3.3)
BeautifulSoup (3.2.1)
beautifulsoup4 (4.4.1)
billiard (3.3.0.23)
bs4 (0.0.1)
celery (3.1.18)
certifi (2015.4.28)
cffi (1.6.0)
chardet (2.1.1)
Cheetah (2.4.4)
cryptography (1.4)
Django (1.8.4)
django-appconf (1.0.2)
django-braces (1.8.0)
django-countries (3.4.1)
django-debug-toolbar (1.3.0)
django-extensions (1.5.5)
django-floppyforms (1.6.2)
django-haystack (2.3.1)
django-location-field (1.6.1)
django-mptt (0.7.4)
django-pam (1.1.2)
django-paypal (0.3.2)
django-phonenumber-field (0.7.2)
Django-Select2 (4.3.1)
django-smart-selects (1.2.2)
django-suit (0.2.14)
django-uuidfield (0.5.0)
easy-thumbnails (2.2)
enum34 (1.0.4)
html5lib (0.999)
idna (2.0)
ipaddress (1.0.14)
ipython (3.2.1)
Jinja2 (2.7.3)
jsonfield (1.0.3)
jsonpatch (1.3)
jsonpointer (1.10)
kombu (3.0.35)
Markdown (2.6.6)
MarkupSafe (0.23)
ndg-httpsclient (0.4.1)
pbr (1.10.0)
phonenumbers (7.4.2)
phonenumberslite (7.4.2)
Pillow (2.9.0)
pip (8.1.2)
prettytable (0.7.2)
psycopg2 (2.6)
pyasn1 (0.1.9)
pycparser (2.14)
pyOpenSSL (16.0.0)
python-dateutil (2.4.2)
python-mimeparse (1.5.2)
python-pam (1.8.2)
pytz (2016.4)
redis (2.10.3)
requests (2.7.0)
setuptools (3.3)
six (1.10.0)
sqlparse (0.1.19)
stevedore (1.15.0)
Twisted (16.2.0)
unicode-slugify (0.1.3)
Unidecode (0.4.19)
urllib3 (1.16)
uWSGI (2.0.11.1)
virtualenv (15.0.2)
virtualenv-clone (0.2.6)
virtualenvwrapper (4.7.1)
wheel (0.24.0)
zope.interface (4.2.0)
在Ubuntu上安装了这些：
amqp (1.4.6)
anyjson (0.3.3)
apt-xapian-index (0.45)
argparse (1.2.1)
arrow (0.6.0)
BeautifulSoup (3.2.1)
beautifulsoup4 (4.4.1)
billiard (3.3.0.20)
bs4 (0.0.1)
celery (3.1.18)
certifi (2015.04.28)
cffi (1.1.2)
chardet (2.0.1)
Cheetah (2.4.4)
cloud-init (0.7.5)
colorama (0.2.5)
configobj (4.7.2)
cryptography (0.9.3)
Django (1.8.4)
django-braces (1.8.0)
django-countries (3.3)
django-debug-toolbar (1.3.0)
django-extensions (1.5.5)
django-haystack (2.3.1)
django-location-field (1.6)
django-mptt (0.7.4)
django-paypal (0.2.5)
django-phonenumber-field (0.7.2)
Django-Select2 (4.3.1)
django-smart-selects (1.1.1)
django-suit (0.2.14)
django-suit-redactor (0.0.2)
django-uuidfield (0.5.0)
easy-thumbnails (2.2)
enum34 (1.0.4)
html5lib (0.999)
idna (2.0)
ipaddress (1.0.14)
ipython (3.2.1)
Jinja2 (2.7.3)
jsonfield (1.0.3)
jsonpatch (1.3)
jsonpointer (1.0)
kombu (3.0.26)
Landscape-Client (14.12)
lxml (3.6.0)
MarkupSafe (0.23)
ndg-httpsclient (0.4.0)
oauth (1.0.1)
PAM (0.4.2)
pdb (0.1)
phonenumbers (7.0.8)
Pillow (2.9.0)
pip (1.5.4)
prettytable (0.7.2)
psycopg2 (2.6)
pyasn1 (0.1.8)
pycparser (2.14)
pycurl (7.19.3)
pyOpenSSL (0.15.1)
pyserial (2.6)
python-apt (0.9.3.5ubuntu2)
python-dateutil (2.4.2)
python-debian (0.1.21-nmu2ubuntu2)
python-gnupg (0.3.7)
python-magic (0.4.6)
pytz (2015.4)
PyYAML (3.11)
redis (2.10.3)
requests (2.7.0)
setuptools (3.3)
six (1.9.0)
sqlparse (0.1.16)
ssh-import-id (3.21)
Twisted-Core (13.2.0)
Twisted-Names (13.2.0)
Twisted-Web (13.2.0)
unicode-slugify (0.1.3)
Unidecode (0.04.18)
urllib3 (1.7.1)
uWSGI (2.0.11.1)
wheel (0.24.0)
wsgiref (0.1.2)
zope.interface (4.0.5)
requirements.txt的内容（全部已安装）：
Django==1.8.2
Pillow==2.8.2
celery==3.1.18
django-braces==1.8.0
django-debug-toolbar==1.3.0
django-extensions==1.5.5
django-haystack==2.3.1
django-mptt==0.7.4
redis==2.10.3
requests==2.7.0
unicode-slugify==0.1.3
psycopg2==2.6
django-uuidfield==0.5.0
Jinja2==2.7.3
BeautifulSoup==3.2.1
beautifulsoup4==4.4.1
jsonfield==1.0.3
django-suit==0.2.7