Revert "Fixed #20477: Allowed settings.FORMAT_MODULE_PATH to be a list of modules."

This reverts commit 950b6de16a.

tests/utils_tests/test_formats.py

@@ -1,59 +0,0 @@
-"""Tests for ``django/utils/formats.py``."""
-from django.test import TestCase
-from django.utils.formats import iter_format_modules
-
-
-class IterFormatModulesTestCase(TestCase):
-    """Tests for the ``iter_format_modules`` method."""
-    longMessage = True
-
-    def test_returns_correct_default(self):
-        """
-        Should return default module when FORMAT_MODULE_PATH is not set.
-        """
-        result = list(iter_format_modules('en'))
-        self.assertEqual(len(result), 1, msg=(
-            "Should return only Django's default formats module."))
-        self.assertEqual(
-            result[0].__name__, 'django.conf.locale.en.formats', msg=(
-                'Should have added the language to the module path'))
-
-    def test_with_setting_as_basestring(self):
-        """
-        Before ticket #20477 FORMAT_MODULE_PATH was supposed to be a string.
-
-        This test ensures backwards compatibility.
-        """
-        with self.settings(
-                FORMAT_MODULE_PATH='utils_tests.test_module.formats'):
-            result = list(iter_format_modules('en'))
-            self.assertEqual(len(result), 2, msg=(
-                'Should return both, the default value and the one from the'
-                ' setting'))
-            self.assertEqual(
-                result[0].__name__,
-                'utils_tests.test_module.formats.en.formats',
-                msg=('Should return the module from the setting first and'
-                     ' should have added the language to the module path'))
-
-    def test_with_setting_as_list_of_strings(self):
-        """
-        After ticket #20477 FORMAT_MODULE_PATH can also be a list of strings.
-
-        This tests verifies the new functionality.
-        """
-        FORMAT_MODULE_PATH = [
-            'utils_tests.test_module.formats',
-            'utils_tests.test_module.formats2',
-        ]
-        with self.settings(
-                FORMAT_MODULE_PATH=FORMAT_MODULE_PATH):
-            result = list(iter_format_modules('en'))
-            self.assertEqual(len(result), 3, msg=(
-                'Should return the default value and the two values from the'
-                ' setting'))
-            self.assertEqual(
-                result[0].__name__,
-                'utils_tests.test_module.formats.en.formats',
-                msg=('Should return the values from the setting and add the'
-                     ' language to the module path'))

tests/utils_tests/test_module/formats/__init__.py

@@ -1,4 +0,0 @@
-"""
-Custom format module. Used by tests in ``tests/utils_tests/test_formats.py``.
-
-"""