New issue 729: py.test fails with version conflict with python 3.4
https://bitbucket.org/pytest-dev/pytest/issue/729/pytest-fails-with-version-conflict-with
Venkatesh-Prasad Ranganath:
I am trying to build pytest with python 3.4 on Mac OSX and I encounter the
following error when I execute "python2.7 setup.py test". Any idea what might
be wrong?
```
running test
Traceback (most recent call last):
File "pytest.py", line 10, in <module>
raise SystemExit(pytest.main())
File "/Users/temp/pytest-2.7.0/_pytest/config.py", line 32, in main
config = _prepareconfig(args, plugins)
File "/Users/temp/pytest-2.7.0/_pytest/config.py", line 85, in _prepareconfig
pluginmanager=pluginmanager, args=args)
File "/Users/temp/pytest-2.7.0/_pytest/core.py", line 521, in __call__
return self._docall(self.methods, kwargs)
File "/Users/temp/pytest-2.7.0/_pytest/core.py", line 528, in _docall
firstresult=self.firstresult).execute()
File "/Users/temp/pytest-2.7.0/_pytest/core.py", line 393, in execute
return wrapped_call(method(*args), self.execute)
File "/Users/temp/pytest-2.7.0/_pytest/core.py", line 109, in wrapped_call
wrap_controller.send(call_outcome)
File "/Users/temp/pytest-2.7.0/_pytest/helpconfig.py", line 28, in
pytest_cmdline_parse
config = outcome.get_result()
File "/Users/temp/pytest-2.7.0/_pytest/core.py", line 137, in get_result
raise ex[1].with_traceback(ex[2])
File "/Users/temp/pytest-2.7.0/_pytest/core.py", line 123, in __init__
self.result = func()
File "/Users/temp/pytest-2.7.0/_pytest/core.py", line 394, in execute
res = method(*args)
File "/Users/temp/pytest-2.7.0/_pytest/config.py", line 636, in
pytest_cmdline_parse
self.parse(args)
File "/Users/temp/pytest-2.7.0/_pytest/config.py", line 746, in parse
self._preparse(args)
File "/Users/temp/pytest-2.7.0/_pytest/config.py", line 715, in _preparse
self.known_args_namespace = ns = self._parser.parse_known_args(args)
File "/Users/temp/pytest-2.7.0/_pytest/config.py", line 198, in
parse_known_args
optparser = self._getparser()
File "/Users/temp/pytest-2.7.0/_pytest/config.py", line 186, in _getparser
arggroup.add_argument(*n, **a)
File
"/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/argparse.py",
line 1349, in add_argument
return self._add_action(action)
File
"/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/argparse.py",
line 1553, in _add_action
action = super(_ArgumentGroup, self)._add_action(action)
File
"/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/argparse.py",
line 1363, in _add_action
self._check_conflict(action)
File
"/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/argparse.py",
line 1502, in _check_conflict
conflict_handler(action, confl_optionals)
File
"/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/argparse.py",
line 1511, in _handle_conflict_error
raise ArgumentError(action, message % conflict_string)
argparse.ArgumentError: argument --log-format: conflicting option string:
--log-format
```
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