Fix a failing test on Windows

Author: SmileyChris

django_countries/tests/test_fields.py

@@ -1,11 +1,11 @@
 import pickle
-import tempfile
 from unittest import mock
 from unittest.case import skipUnless
 
 import django
 import pytest
 from django.core import checks, validators
+from django.core.files.temp import NamedTemporaryFile
 from django.core.management import call_command
 from django.db import models
 from django.forms import Select
@@ -679,7 +679,7 @@ class TestLoadData(TestCase):
     def test_basic(self):
         single = Person.objects.create(name="Chris Beaven", country="NZ")
         multi = MultiCountry.objects.create(countries=["NZ", "AU"])
-        with tempfile.NamedTemporaryFile(suffix=".json", mode="w+") as capture:
+        with NamedTemporaryFile(suffix=".json", mode="w+") as capture:
             call_command("dumpdata", "django_countries_tests", stdout=capture)
             single.delete()
             multi.delete()