Fixed #27599 -- Fixed Field.__str__() crash for fields not attached to models.

1 files changed, 3 insertions, 2 deletions

diff --git a/tests/model_fields/tests.py b/tests/model_fields/tests.py
index f7faf399c7..5869196335 100644
--- a/tests/model_fields/tests.py
+++ b/tests/model_fields/tests.py
@@ -1,7 +1,6 @@
 from django import forms
 from django.db import models
 from django.test import SimpleTestCase, TestCase
-from django.utils.encoding import force_str
 
 from .models import (
     Foo, RenamedField, VerboseNameField, Whiz, WhizIter, WhizIterEmpty,
@@ -56,8 +55,10 @@ class BasicFieldTests(TestCase):
         self.assertIsInstance(field.formfield(choices_form_class=klass), klass)
 
     def test_field_str(self):
+        f = models.Field()
+        self.assertEqual(str(f), '<django.db.models.fields.Field>')
         f = Foo._meta.get_field('a')
-        self.assertEqual(force_str(f), 'model_fields.Foo.a')
+        self.assertEqual(str(f), 'model_fields.Foo.a')
 
     def test_field_ordering(self):
         """Fields are ordered based on their creation."""