Fix #15148. Capitalize PATH, hopefully leading to less confusion
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@ -972,7 +972,7 @@ def get_terminal_size(fallback=(80, 24)):
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return os.terminal_size((columns, lines))
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def which(cmd, mode=os.F_OK | os.X_OK, path=None):
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"""Given a command, mode, and a path string, return the path which
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"""Given a command, mode, and a PATH string, return the path which
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conforms to the given mode on the PATH, or None if there is no such file.
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`mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result of
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os.environ.get("PATH"), or can be overridden with a custom search path."""
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