I want to use the postgresql fixture in a test. I have python 3.5.2 and pytest-postgresql 2.1.0.
File "/opt/venvs/test/bin/pytest", line 10, in <module>
sys.exit(main())
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/config/__init__.py", line 58, in main
config = _prepareconfig(args, plugins)
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/config/__init__.py", line 208, in _prepareconfig
pluginmanager=pluginmanager, args=args
File "/opt/venvs/test/lib/python3.5/site-packages/pluggy/hooks.py", line 286, in __call__
return self._hookexec(self, self.get_hookimpls(), kwargs)
File "/opt/venvs/test/lib/python3.5/site-packages/pluggy/manager.py", line 92, in _hookexec
return self._inner_hookexec(hook, methods, kwargs)
File "/opt/venvs/test/lib/python3.5/site-packages/pluggy/manager.py", line 86, in <lambda>
firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
File "/opt/venvs/test/lib/python3.5/site-packages/pluggy/callers.py", line 203, in _multicall
gen.send(outcome)
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/helpconfig.py", line 89, in pytest_cmdline_parse
config = outcome.get_result()
File "/opt/venvs/test/lib/python3.5/site-packages/pluggy/callers.py", line 80, in get_result
raise ex[1].with_traceback(ex[2])
File "/opt/venvs/test/lib/python3.5/site-packages/pluggy/callers.py", line 187, in _multicall
res = hook_impl.function(*args)
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/config/__init__.py", line 719, in pytest_cmdline_parse
self.parse(args)
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/config/__init__.py", line 927, in parse
self._preparse(args, addopts=addopts)
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/config/__init__.py", line 873, in _preparse
self.pluginmanager.load_setuptools_entrypoints("pytest11")
File "/opt/venvs/test/lib/python3.5/site-packages/pluggy/manager.py", line 297, in load_setuptools_entrypoints
plugin = ep.load()
File "/opt/venvs/test/lib/python3.5/site-packages/importlib_metadata/__init__.py", line 92, in load
module = import_module(match.group('module'))
File "/opt/venvs/test/lib/python3.5/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 986, in _gcd_import
File "<frozen importlib._bootstrap>", line 969, in _find_and_load
File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/assertion/rewrite.py", line 140, in exec_module
exec(co, module.__dict__)
File "/opt/venvs/test/lib/python3.5/site-packages/pytest_postgresql/plugin.py", line 21, in <module>
from pytest_postgresql import factories
File "<frozen importlib._bootstrap>", line 969, in _find_and_load
File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/assertion/rewrite.py", line 140, in exec_module
exec(co, module.__dict__)
File "/opt/venvs/test/lib/python3.5/site-packages/pytest_postgresql/factories.py", line 28, in <module>
from pytest_postgresql.janitor import DatabaseJanitor, psycopg2
File "<frozen importlib._bootstrap>", line 969, in _find_and_load
File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
File "/opt/venvs/test/lib/python3.5/site-packages/_pytest/assertion/rewrite.py", line 140, in exec_module
exec(co, module.__dict__)
File "/opt/venvs/test/lib/python3.5/site-packages/pytest_postgresql/janitor.py", line 23, in <module>
class DatabaseJanitor:
File "/opt/venvs/test/lib/python3.5/site-packages/pytest_postgresql/janitor.py", line 94, in DatabaseJanitor
exc_type: Optional[Type[BaseException]],
File "/usr/lib/python3.5/typing.py", line 649, in __getitem__
return Union[arg, type(None)]
File "/usr/lib/python3.5/typing.py", line 552, in __getitem__
dict(self.__dict__), parameters, _root=True)
File "/usr/lib/python3.5/typing.py", line 512, in __new__
for t2 in all_params - {t1} if not isinstance(t2, TypeVar)):
File "/usr/lib/python3.5/typing.py", line 512, in <genexpr>
for t2 in all_params - {t1} if not isinstance(t2, TypeVar)):
File "/usr/lib/python3.5/typing.py", line 1077, in __subclasscheck__
if super().__subclasscheck__(cls):
File "/opt/venvs/test/lib/python3.5/abc.py", line 225, in __subclasscheck__
for scls in cls.__subclasses__():
TypeError: descriptor '__subclasses__' of 'type' object needs an argument