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X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR04MB8130 X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_NUMSUBJECT, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Apr 2022 14:27:25 -0000 /usr/bin/hg specifies /usr/bin/python3 in its shebang, but further down it has libdir = '../lib/python3.8/site-packages' This causes hg to fail as follows if /usr/bin/python3 points to python3.9: $ hg Traceback (most recent call last): File "/usr/lib/python3.8/site-packages/mercurial/policy.py", line 69, in _importfrom fakelocals[modname] = mod = getattr(pkg, modname) File "/usr/lib/python3.8/site-packages/mercurial/pycompat.py", line 317, in w return f(object, sysstr(name), *args) AttributeError: module 'mercurial.cext' has no attribute 'parsers' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/bin/hg", line 61, in dispatch.run() File "/usr/lib/python3.9/importlib/util.py", line 245, in __getattribute__ self.__spec__.loader.exec_module(self) File "", line 850, in exec_module File "", line 228, in _call_with_frames_removed File "/usr/lib/python3.8/site-packages/mercurial/dispatch.py", line 21, in from .i18n import _ File "/usr/lib/python3.9/importlib/util.py", line 245, in __getattribute__ self.__spec__.loader.exec_module(self) File "/usr/lib/python3.8/site-packages/mercurial/i18n.py", line 123, in if _plain(): File "/usr/lib/python3.8/site-packages/mercurial/i18n.py", line 115, in _plain b'HGPLAIN' not in encoding.environ File "/usr/lib/python3.9/importlib/util.py", line 245, in __getattribute__ self.__spec__.loader.exec_module(self) File "/usr/lib/python3.8/site-packages/mercurial/encoding.py", line 41, in charencode = policy.importmod('charencode') File "/usr/lib/python3.8/site-packages/mercurial/policy.py", line 116, in importmod mod = _importfrom(pn, mn) File "/usr/lib/python3.8/site-packages/mercurial/policy.py", line 71, in _importfrom raise ImportError('cannot import name %s' % modname) ImportError: cannot import name parsers Ken