Edit: py39.py
""" Backward-compatability shims to support Python 3.9 and earlier. """ from jaraco.test.cpython import from_test_support, try_import import_helper = try_import('import_helper') or from_test_support( 'modules_setup', 'modules_cleanup', 'DirsOnSysPath' ) os_helper = try_import('os_helper') or from_test_support('temp_dir') warnings_helper = try_import('warnings_helper') or from_test_support( 'ignore_warnings', 'check_warnings' )
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