old_contents: from __future__ import absolute_import
  
  from django.views.debug import SafeExceptionReporterFilter
  from django.http import build_request_repr
  
  class ZulipExceptionReporterFilter(SafeExceptionReporterFilter):
      def get_post_parameters(self, request):
          filtered_post = SafeExceptionReporterFilter.get_post_parameters(self, request).copy()
          filtered_vars = ['content', 'secret', 'password', 'key', 'api-key', 'subject', 'stream',
                           'subscriptions', 'to', 'csrfmiddlewaretoken']
  
          for var in filtered_vars:
              if var in filtered_post:
                  filtered_post[var] = '**********'
          return filtered_post
      def get_request_repr(self, request):
          if request is None:
              return repr(None)
          else:
              return build_request_repr(request,
                                        POST_override=self.get_post_parameters(request),
                                        COOKIES_override="**********",
                                        META_override="**********")
  
new_contents: from __future__ import absolute_import
  
  from django.views.debug import SafeExceptionReporterFilter
  from django.http import build_request_repr
  
  class ZulipExceptionReporterFilter(SafeExceptionReporterFilter):
      def get_post_parameters(self, request):
          filtered_post = SafeExceptionReporterFilter.get_post_parameters(self, request).copy()
          filtered_vars = ['content', 'secret', 'password', 'key', 'api-key', 'subject', 'stream',
                           'subscriptions', 'to', 'csrfmiddlewaretoken', 'api_key']
  
          for var in filtered_vars:
              if var in filtered_post:
                  filtered_post[var] = '**********'
          return filtered_post
      def get_request_repr(self, request):
          if request is None:
              return repr(None)
          else:
              return build_request_repr(request,
                                        POST_override=self.get_post_parameters(request),
                                        COOKIES_override="**********",
                                        META_override="**********")
  
subject: Add api_key to filtered variables.