old_contents: from functools import wraps
  import copy
  import json
  
  
  def expect_json(view_function):
      @wraps(view_function)
      def expect_json_with_cloned_request(request, *args, **kwargs):
          if request.META['CONTENT_TYPE'] == "application/json":
              cloned_request = copy.copy(request)
              cloned_request.POST = cloned_request.POST.copy()
              cloned_request.POST.update(json.loads(request.body))
              return view_function(cloned_request, *args, **kwargs)
          else:
              return view_function(request, *args, **kwargs)
  
      return expect_json_with_cloned_request
  
new_contents: from functools import wraps
  import copy
  import json
  
  
  def expect_json(view_function):
      @wraps(view_function)
      def expect_json_with_cloned_request(request, *args, **kwargs):
          # cdodge: fix postback errors in CMS. The POST 'content-type' header can include additional information
          # e.g. 'charset', so we can't do a direct string compare
          if request.META['CONTENT_TYPE'].lower().startswith("application/json"):
              cloned_request = copy.copy(request)
              cloned_request.POST = cloned_request.POST.copy()
              cloned_request.POST.update(json.loads(request.body))
              return view_function(cloned_request, *args, **kwargs)
          else:
              return view_function(request, *args, **kwargs)
  
      return expect_json_with_cloned_request
  
subject: Fix JSON postback error where the content-type header line can contain more info than just the application/json descriptor. Now we just to a compare on the start of the header value.