  import gettext as gettext_module
  import importlib
  import json
  import os
  
  from django import http
 
</s> remove     def __init__(self, language):
 </s> add     domain = 'django'

    def __init__(self, language, domain=None, localedirs=None): </s> remove         default_translation = translation(settings.LANGUAGE_CODE)
 </s> add         if self.domain == 'django':
            # Get from cache
            default_translation = translation(settings.LANGUAGE_CODE)
        else:
            default_translation = DjangoTranslation(
                settings.LANGUAGE_CODE, domain=self.domain, localedirs=localedirs
            ) </s> remove     for k, v in t.items():
        if k == '':
 </s> add     trans_fallback_cat = trans._fallback._catalog if trans._fallback else {}
    for key, value in itertools.chain(six.iteritems(trans_cat), six.iteritems(trans_fallback_cat)):
        if key == '' or key in catalog:

  import importlib
  import json
  import os
  
  from django import http
replace keep keep keep keep keep
 Reused the DjangoTranslation class for the javascript_catalog view

Thanks Tim Graham and Cristiano Coelho for the reviews.
Refs #26328, #26319. 
django/views/i18n.py