title: OSError: No translation files found for default language zh_Hans
body: <p>django: 1.10.3 
  local: windows 
  server: debian </p>
  
  <p>local can run normally, can not runing in my server, but can runing by <code>en-us</code>, why, i can't runing by <code>zh_hans</code> ?</p>
  
  <p>Traceback:</p>
  
  <pre><code>      ...File "/home/a/ENV/lib/python3.5/site-packages/django/utils/translation/__init__.py", line 85, in ugettext
          return _trans.ugettext(message)
        File "/home/a/ENV/lib/python3.5/site-packages/django/utils/translation/trans_real.py", line 337, in gettext
          return do_translate(message, 'gettext')
        File "/home/a/ENV/lib/python3.5/site-packages/django/utils/translation/trans_real.py", line 320, in do_translate
          _default = _default or translation(settings.LANGUAGE_CODE)
        File "/home/a/ENV/lib/python3.5/site-packages/django/utils/translation/trans_real.py", line 227, in translation
          _translations[language] = DjangoTranslation(language)
        File "/home/a/ENV/lib/python3.5/site-packages/django/utils/translation/trans_real.py", line 134, in __init__
          raise IOError("No translation files found for default language %s." % settings.LANGUAGE_CODE)
      OSError: No translation files found for default language zh_Hans.
  </code></pre>
  
  <p>updata: settings.py</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>"""
  Django settings for aWebsite project.
  
  Generated by 'django-admin startproject' using Django 1.10.3.
  
  For more information on this file, see
  https://docs.djangoproject.com/en/1.10/topics/settings/
  
  For the full list of settings and their values, see
  https://docs.djangoproject.com/en/1.10/ref/settings/
  """
  
  import os
  
  # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
  BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  
  
  # Quick-start development settings - unsuitable for production
  # See https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
  
  # SECURITY WARNING: keep the secret key used in production secret!
  SECRET_KEY = 'a*x^k((1zswa$g_qu70f%%8mb6z7p1tfzy%&amp;+@kye+3zdafv3h'
  
  # SECURITY WARNING: don't run with debug turned on in production!
  DEBUG = False
  TEMPLATE_DEBUG = False
  
  ALLOWED_HOSTS = ['aWebsite.com']
  
  
  # Application definition
  
  INSTALLED_APPS = [
      'grappelli',
      'django.contrib.admin',
      'django.contrib.auth',
      'django.contrib.contenttypes',
      'django.contrib.sessions',
      'django.contrib.messages',
      'django.contrib.staticfiles',
      'ckeditor',
      'ckeditor_uploader',
      'imagekit',
      'Website',
  ]
  
  MIDDLEWARE = [
      'django.middleware.security.SecurityMiddleware',
      'django.contrib.sessions.middleware.SessionMiddleware',
      'django.middleware.common.CommonMiddleware',
      'django.middleware.csrf.CsrfViewMiddleware',
      'django.contrib.auth.middleware.AuthenticationMiddleware',
      'django.contrib.messages.middleware.MessageMiddleware',
      'django.middleware.clickjacking.XFrameOptionsMiddleware',
  ]
  
  ROOT_URLCONF = 'aWebsite.urls'
  
  TEMPLATES = [
      {
          'BACKEND': 'django.template.backends.django.DjangoTemplates',
          'DIRS': [os.path.join(BASE_DIR, 'templates')]
          ,
          'APP_DIRS': True,
          'OPTIONS': {
              'context_processors': [
                  'django.template.context_processors.debug',
                  'django.template.context_processors.request',
                  'django.contrib.auth.context_processors.auth',
                  'django.contrib.messages.context_processors.messages',
              ],
          },
      },
  ]
  
  WSGI_APPLICATION = 'hitekCable.wsgi.application'
  
  
  # Database
  # https://docs.djangoproject.com/en/1.10/ref/settings/#databases
  
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.sqlite3',
          'NAME': os.path.join(BASE_DIR, 'sdefg.sqlite3'),
      }
  }
  
  
  # Password validation
  # https://docs.djangoproject.com/en/1.10/ref/settings/#auth-password-validators
  
  AUTH_PASSWORD_VALIDATORS = [
      {
          'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
      },
      {
          'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
      },
  ]
  
  
  # Internationalization
  # https://docs.djangoproject.com/en/1.10/topics/i18n/
  
  #LANGUAGE_CODE = 'zh_Hans'
  LANGUAGE_CODE = 'en-us'
  
  TIME_ZONE = 'Asia/Shanghai'
  
  USE_I18N = True
  
  USE_L10N = True
  
  USE_TZ = True
  
  
  # Static files (CSS, JavaScript, Images)
  # https://docs.djangoproject.com/en/1.10/howto/static-files/
  
  STATIC_URL = 'http:/aWebsite.com/static/'
  STATIC_ROOT = os.path.join(BASE_DIR, 'collected_static')
  
  STATICFILES_DIRS = [(os.path.join(BASE_DIR, 'Website/static'))]
  
  MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
  MEDIA_URL = 'http://aWebsite.com/media_hitek/'
  
  
  CKEDITOR_UPLOAD_PATH = "uploads/"  
  CKEDITOR_UPLOAD_SLUGIFY_FILENAME = True
  CKEDITOR_ALLOW_NONIMAGE_FILES = False
  CKEDITOR_RESTRICT_BY_USER = True
  CKEDITOR_IMAGE_BACKEND = 'pillow' 
  CKEDITOR_JQUERY_URL = '//cdn.bootcss.com/jquery/2.2.4/jquery.min.js'
  CKEDITOR_CONFIGS = {
      'default': {
          'skin': 'moono',
          # 'skin': 'office2013',
          'toolbar_Basic': [
              ['Source', '-', 'Bold', 'Italic']
          ],
          'toolbar_YourCustomToolbarConfig': [
              {'name': 'document', 'items': ['Source', '-', 'Print', '-', 'Templates']},#'Save', 'NewPage', 'Preview',
              {'name': 'clipboard', 'items': ['Cut', 'Copy', 'Paste', 'PasteText', 'PasteFromWord', '-', 'Undo', 'Redo']},
              {'name': 'editing', 'items': ['Find', 'Replace', '-', 'SelectAll']},
              {'name': 'forms',
               'items': ['Form', 'Checkbox', 'Radio', 'TextField', 'Textarea', 'Select', 'Button', 'ImageButton',
                         'HiddenField']},
              '/',
              {'name': 'basicstyles',
               'items': ['Bold', 'Italic', 'Underline', 'Strike', 'Subscript', 'Superscript', '-', 'RemoveFormat']},
              {'name': 'paragraph',
               'items': ['NumberedList', 'BulletedList', '-', 'Outdent', 'Indent', '-', 'Blockquote', 'CreateDiv', '-',
                         'JustifyLeft', 'JustifyCenter', 'JustifyRight', 'JustifyBlock', '-', 'BidiLtr', 'BidiRtl',
                         'Language']},
              {'name': 'links', 'items': ['Link', 'Unlink', 'Anchor']},
              {'name': 'insert',
               'items': ['Image', 'Flash', 'Table', 'HorizontalRule', 'Smiley', 'SpecialChar', 'PageBreak', 'Iframe']},
              # '/',
              {'name': 'styles', 'items': ['Styles', 'Format', 'Font', 'FontSize']},
              {'name': 'colors', 'items': ['TextColor', 'BGColor']},
              {'name': 'tools', 'items': ['Maximize', 'ShowBlocks']},
              # {'name': 'about', 'items': ['About']},
              # '/',  # put this to force next toolbar on new line
              # {'name': 'yourcustomtools', 'items': [
              #     # put the name of your editor.ui.addButton here
              #     'Preview',
              #     'Maximize',
              #
              # ]},
          ],
          'toolbar': 'YourCustomToolbarConfig',  # put selected toolbar config here
          # 'toolbarGroups': [{ 'name': 'document', 'groups': [ 'mode', 'document', 'doctools' ] }],
          # 'height': 291,
          # 'width': '100%',
          # 'filebrowserWindowHeight': 725,
          # 'filebrowserWindowWidth': 940,
          # 'toolbarCanCollapse': True,
          # 'mathJaxLib': '//cdn.mathjax.org/mathjax/2.2-latest/MathJax.js?config=TeX-AMS_HTML',
          'tabSpaces': 4,
          'extraPlugins': ','.join(
              [
                  # your extra plugins here
                  'div',
                  'autolink',
                  'autoembed',
                  'embedsemantic',
                  'autogrow',
                  # 'devtools',
                  'widget',
                  'lineutils',
                  'clipboard',
                  'dialog',
                  'dialogui',
                  'elementspath'
              ]),
      }
  }</code></pre>
  </div>
  </div>
  </p>