  import pytest
  from django.contrib.admin import site
  from django.contrib.auth.models import User
  from django.test import TestCase
  from django.utils.six import StringIO
  
  from rest_framework.authtoken.admin import TokenAdmin
  from rest_framework.authtoken.management.commands.drf_create_token import \
 
</s> remove         parser.add_argument('username', type=str, nargs='+')
 </s> add         parser.add_argument('username', type=str)
from django.core.management import call_command
  import pytest
  from django.contrib.admin import site
  from django.contrib.auth.models import User
from django.core.management import call_command
  from django.test import TestCase
  from django.utils.six import StringIO
  
  from rest_framework.authtoken.admin import TokenAdmin
  from rest_framework.authtoken.management.commands.drf_create_token import \
keep keep add keep keep keep keep keep
 Fix authtoken managment command (#5415)

* Fix authtoken managment command username param 
tests/test_authtoken.py