Traceback (most recent call last):


 "/Users/clementwalter/.pyenv/versions/tmp/bin/pytest", line 8, in <module>

sys.exit(console_main())


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/__init__.py", line 185, in console_main

code = main()


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/__init__.py", line 143, in main

config = _prepareconfig(args, plugins)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/__init__.py", line 319, in _prepareconfig

pluginmanager=pluginmanager, args=args


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/pluggy/hooks.py", line 286, in __call__

return self._hookexec(self, self.get_hookimpls(), kwargs)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/pluggy/manager.py", line 93, in _hookexec

return self._inner_hookexec(hook, methods, kwargs)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/pluggy/manager.py", line 87, in <lambda>

firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/pluggy/callers.py", line 203, in _multicall

gen.send(outcome)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/helpconfig.py", line 100, in pytest_cmdline_parse

config: Config = outcome.get_result()


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/pluggy/callers.py", line 80, in get_result

raise ex[1].with_traceback(ex[2])


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/pluggy/callers.py", line 187, in _multicall

res = hook_impl.function(*args)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/__init__.py", line 1003, in pytest_cmdline_parse

self.parse(args)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/__init__.py", line 1283, in parse

self._preparse(args, addopts=addopts)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/__init__.py", line 1157, in _preparse

self._initini(args)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/__init__.py", line 1074, in _initini

args, namespace=copy.copy(self.option)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/argparsing.py", line 155, in parse_known_and_unknown_args

optparser = self._getparser()


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/argparsing.py", line 113, in _getparser

optparser = MyOptionParser(self, self.extra_info, prog=self.prog)


 "/Users/clementwalter/.pyenv/versions/tmp/lib/python3.7/site-packages/_pytest/config/argparsing.py", line 387, in __init__

allow_abbrev=False,
TypeError: __init__() got an unexpected keyword argument 'allow_abbrev'

Traceback (most recent call last):


 "bug.py", line 4, in <module>

ujson.encode(np.array(1))
TypeError: � (0d array) is not JSON serializable at the moment
