          return getattr(self.default_settings, name)
  
      def __setattr__(self, name, value):
          self._deleted.discard(name)
          if name == 'DEFAULT_CONTENT_TYPE':
              warnings.warn(DEFAULT_CONTENT_TYPE_DEPRECATED_MSG, RemovedInDjango30Warning)
          elif name == 'FILE_CHARSET':
              warnings.warn(FILE_CHARSET_DEPRECATED_MSG, RemovedInDjango31Warning)
          super().__setattr__(name, value)
  
      def __delattr__(self, name):
          self._deleted.add(name)
 
</s> remove         if self.is_overridden('DEFAULT_CONTENT_TYPE'):
            warnings.warn(DEFAULT_CONTENT_TYPE_DEPRECATED_MSG, RemovedInDjango30Warning)
 </s> add  </s> remove     @property
    def DEFAULT_CONTENT_TYPE(self):
        stack = traceback.extract_stack()
        # Show a warning if the setting is used outside of Django.
        # Stack index: -1 this line, -2 the caller.
        filename, _line_number, _function_name, _text = stack[-2]
        if not filename.startswith(os.path.dirname(django.__file__)):
            warnings.warn(
                DEFAULT_CONTENT_TYPE_DEPRECATED_MSG,
                RemovedInDjango30Warning,
                stacklevel=2,
            )
        return self.__getattr__('DEFAULT_CONTENT_TYPE')

 </s> add  </s> remove             content_type = '%s; charset=%s' % (settings.DEFAULT_CONTENT_TYPE,
                                               self.charset)
 </s> add             content_type = 'text/html; charset=%s' % self.charset </s> remove         if self.get('Content-Type', '').startswith(settings.DEFAULT_CONTENT_TYPE):
 </s> add         if self.get('Content-Type', '').startswith('text/html'): </s> remove         content_type = None             # Django will use DEFAULT_CONTENT_TYPE
 </s> add         content_type = None             # Django will use 'text/html'.
        if name == 'FILE_CHARSET':
          return getattr(self.default_settings, name)
  
      def __setattr__(self, name, value):
          self._deleted.discard(name)
        if name == 'FILE_CHARSET':
        if name == 'FILE_CHARSET':
        if name == 'FILE_CHARSET':
              warnings.warn(FILE_CHARSET_DEPRECATED_MSG, RemovedInDjango31Warning)
          super().__setattr__(name, value)
  
      def __delattr__(self, name):
          self._deleted.add(name)
keep keep keep keep replace replace replace keep keep keep keep keep
 Refs #27829 -- Removed settings.DEFAULT_CONTENT_TYPE per deprecation timeline. 
django/conf/__init__.py