old_contents: from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
  
  from social_auth.utils import setting
  from social_auth.models import UserSocialAuth
  from social_auth.backends.pipeline import warn_setting
  from social_auth.backends.exceptions import AuthException
  
  
  def associate_by_email(details, user=None, *args, **kwargs):
      """Return user entry with same email address as one returned on details."""
      if user:
          return None
  
      email = details.get('email')
  
      warn_setting('SOCIAL_AUTH_ASSOCIATE_BY_MAIL', 'associate_by_email')
  
      if email and setting('SOCIAL_AUTH_ASSOCIATE_BY_MAIL', False):
          # try to associate accounts registered with the same email address,
          # only if it's a single object. AuthException is raised if multiple
          # objects are returned
          try:
              return {'user': UserSocialAuth.get_user_by_email(email=email)}
          except MultipleObjectsReturned:
              raise AuthException(kwargs['backend'], 'Not unique email address.')
          except ObjectDoesNotExist:
              pass
  
new_contents: from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
  
  from social_auth.utils import setting
  from social_auth.models import UserSocialAuth
  from social_auth.backends.pipeline import warn_setting
  from social_auth.backends.exceptions import AuthException
  
  
  def associate_by_email(details, user=None, *args, **kwargs):
      """Return user entry with same email address as one returned on details."""
      if user:
          return None
  
      email = details.get('email')
  
      # Don't spam with a warning, this doesn't apply when providers check emails
      #warn_setting('SOCIAL_AUTH_ASSOCIATE_BY_MAIL', 'associate_by_email')
  
      if email and setting('SOCIAL_AUTH_ASSOCIATE_BY_MAIL', False):
          # try to associate accounts registered with the same email address,
          # only if it's a single object. AuthException is raised if multiple
          # objects are returned
          try:
              return {'user': UserSocialAuth.get_user_by_email(email=email)}
          except MultipleObjectsReturned:
              raise AuthException(kwargs['backend'], 'Not unique email address.')
          except ObjectDoesNotExist:
              pass
  
subject: Remove spammy warning which doesn't apply when stores check emails