old_contents: """Allauth overrides"""
  
  from __future__ import absolute_import
  import pickle
  import logging
  
  from allauth.account.adapter import DefaultAccountAdapter
  from django.template.loader import render_to_string
  
  from readthedocs.core.utils import send_email
  
  try:
      from django.utils.encoding import force_text
  except ImportError:
      from django.utils.encoding import force_unicode as force_text
  
  log = logging.getLogger(__name__)
  
  
  class AccountAdapter(DefaultAccountAdapter):
  
      """Customize Allauth emails to match our current patterns"""
  
      def format_email_subject(self, subject):
          return force_text(subject)
  
      def send_mail(self, template_prefix, email, context):
          subject = render_to_string(
              '{0}_subject.txt'.format(template_prefix), context
          )
          subject = " ".join(subject.splitlines()).strip()
          subject = self.format_email_subject(subject)
  
          # Allauth sends some additional data in the context, remove it if the
          # pieces can't be pickled
          removed_keys = []
          for key in list(context.keys()):
              try:
                  _ = pickle.dumps(context[key])  # noqa for F841
              except (pickle.PickleError, TypeError):
                  removed_keys.append(key)
                  del context[key]
          if removed_keys:
              log.debug('Removed context we were unable to serialize: %s',
                        removed_keys)
  
          send_email(
              recipient=email,
              subject=subject,
              template='{0}_message.txt'.format(template_prefix),
              template_html='{0}_message.html'.format(template_prefix),
              context=context
          )
  
new_contents: """Allauth overrides"""
  
  from __future__ import absolute_import
  import json
  import logging
  
  from allauth.account.adapter import DefaultAccountAdapter
  from django.template.loader import render_to_string
  
  from readthedocs.core.utils import send_email
  
  try:
      from django.utils.encoding import force_text
  except ImportError:
      from django.utils.encoding import force_unicode as force_text
  
  log = logging.getLogger(__name__)
  
  
  class AccountAdapter(DefaultAccountAdapter):
  
      """Customize Allauth emails to match our current patterns"""
  
      def format_email_subject(self, subject):
          return force_text(subject)
  
      def send_mail(self, template_prefix, email, context):
          subject = render_to_string(
              '{0}_subject.txt'.format(template_prefix), context
          )
          subject = " ".join(subject.splitlines()).strip()
          subject = self.format_email_subject(subject)
  
          # Allauth sends some additional data in the context, remove it if the
          # pieces can't be pickled
          removed_keys = []
          for key in list(context.keys()):
              try:
                  _ = json.dumps(context[key])  # noqa for F841
              except (ValueError, TypeError):
                  removed_keys.append(key)
                  del context[key]
          if removed_keys:
              log.debug('Removed context we were unable to serialize: %s',
                        removed_keys)
  
          send_email(
              recipient=email,
              subject=subject,
              template='{0}_message.txt'.format(template_prefix),
              template_html='{0}_message.html'.format(template_prefix),
              context=context
          )
  
subject: Use json to test for celery serializing