文件操作 - __init__.py
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文件: /opt/alt/python37/lib/python3.7/site-packages/future/backports/test/__init__.py
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""" test package backported for python-future. Its primary purpose is to allow use of "import test.support" for running the Python standard library unit tests using the new Python 3 stdlib import location. Python 3 renamed test.test_support to test.support. """
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