Question

我最近尝试为Python3安装Flake8，此后，我收到以下错误消息：

/Users/dorsam/.atom/packages/linter/lib/linter-registry.js:159 [Linter] Error running Flake8 Error: /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pycodestyle.py:113: FutureWarning: Possible nested set at position 1
  EXTRANEOUS_WHITESPACE_REGEX = re.compile(r'[[({] | []}),;:]')
    at ChildProcess.<anonymous> (/Users/dorsam/.atom/packages/linter-flake8/node_modules/sb-exec/lib/index.js:56:20)
    at emitTwo (events.js:126:13)
    at ChildProcess.emit (events.js:214:7)
    at maybeClose (internal/child_process.js:925:16)
    at Socket.stream.socket.on (internal/child_process.js:346:11)
    at emitOne (events.js:116:13)
    at Socket.emit (events.js:211:7)
    at Pipe._handle.close [as _onclose] (net.js:554:12)

Answer 1

看这里：https://docs.python.org/3/library/re.html

支持嵌套集和集合操作，如Unicode技术将来可能会添加标准＃18。这将改变语法，因此为了便于进行此更改，将在暂时情况不明确。其中包括以文字'['或包含文字字符序列'-'，'&&'， '~~'和'||'。为避免警告，请使用反斜杠将其转义。

运行flake8时出错

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