saving dependency work

lib/python3.9/site-packages/astroid/brain/brain_unittest.py

@@ -0,0 +1,31 @@
+# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
+# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE
+# Copyright (c) https://github.com/PyCQA/astroid/blob/main/CONTRIBUTORS.txt
+
+"""Astroid hooks for unittest module"""
+from astroid.brain.helpers import register_module_extender
+from astroid.builder import parse
+from astroid.const import PY38_PLUS
+from astroid.manager import AstroidManager
+
+
+def IsolatedAsyncioTestCaseImport():
+    """
+    In the unittest package, the IsolatedAsyncioTestCase class is imported lazily, i.e only
+    when the __getattr__ method of the unittest module is called with 'IsolatedAsyncioTestCase' as
+    argument. Thus the IsolatedAsyncioTestCase is not imported statically (during import time).
+    This function mocks a classical static import of the IsolatedAsyncioTestCase.
+
+    (see https://github.com/PyCQA/pylint/issues/4060)
+    """
+    return parse(
+        """
+    from .async_case import IsolatedAsyncioTestCase
+    """
+    )
+
+
+if PY38_PLUS:
+    register_module_extender(
+        AstroidManager(), "unittest", IsolatedAsyncioTestCaseImport
+    )