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-rw-r--r--tests/test_utils/test_simpletestcase.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/test_utils/test_simpletestcase.py b/tests/test_utils/test_simpletestcase.py
index c6aa314944..c09c68db0c 100644
--- a/tests/test_utils/test_simpletestcase.py
+++ b/tests/test_utils/test_simpletestcase.py
@@ -1,3 +1,4 @@
+import os
import unittest
from io import StringIO
from unittest import mock
@@ -19,6 +20,7 @@ class ErrorTestCase(SimpleTestCase):
pass
+@mock.patch.dict(os.environ, {"PYTHON_COLORS": "0"})
@mock.patch.object(ErrorTestCase, "_post_teardown")
@mock.patch.object(ErrorTestCase, "_pre_setup")
class DebugInvocationTests(SimpleTestCase):