Traceback (most recent call last):


 "/usr/bin/flask", line 8, in <module>

sys.exit(main())


 "/usr/lib/python3.7/site-packages/flask/cli.py", line 894, in main

cli.main(args=args, prog_name=name)


 "/usr/lib/python3.7/site-packages/flask/cli.py", line 557, in main

return super(FlaskGroup, self).main(*args, **kwargs)


 "/usr/lib/python3.7/site-packages/click/core.py", line 717, in main

rv = self.invoke(ctx)


 "/usr/lib/python3.7/site-packages/click/core.py", line 1132, in invoke

cmd_name, cmd, args = self.resolve_command(ctx, args)


 "/usr/lib/python3.7/site-packages/click/core.py", line 1171, in resolve_command

cmd = self.get_command(ctx, cmd_name)


 "/usr/lib/python3.7/site-packages/flask/cli.py", line 515, in get_command

rv = info.load_app().cli.get_command(ctx, name)


 "/usr/lib/python3.7/site-packages/flask/cli.py", line 372, in load_app

app = locate_app(self, import_name, name)


 "/usr/lib/python3.7/site-packages/flask/cli.py", line 254, in locate_app

return find_best_app(script_info, module)


 "/usr/lib/python3.7/site-packages/flask/cli.py", line 76, in find_best_app

app = call_factory(script_info, app_factory)


 "/usr/lib/python3.7/site-packages/flask/cli.py", line 116, in call_factory

return app_factory()


 "/app/mailu/__init__.py", line 55, in create_app

return create_app_from_config(config)


 "/app/mailu/__init__.py", line 18, in create_app_from_config

config.init_app(app)


 "/app/mailu/configuration.py", line 109, in init_app

self.resolve_host()


 "/app/mailu/configuration.py", line 93, in resolve_host

self.config[address] = system.resolve_address(self.config[host])


 "/usr/lib/python3.7/site-packages/socrate/system.py", line 19, in resolve_address

ip_address = resolve_hostname(hostname)


 "/usr/lib/python3.7/site-packages/tenacity/__init__.py", line 292, in wrapped_f

return self.call(f, *args, **kw)


 "/usr/lib/python3.7/site-packages/tenacity/__init__.py", line 358, in call

do = self.iter(retry_state=retry_state)


 "/usr/lib/python3.7/site-packages/tenacity/__init__.py", line 332, in iter

six.raise_from(retry_exc, fut.exception())


 "<string>", line 3, in raise_from
tenacity.RetryError: RetryError[<Future at 0x7f4084d4c8d0 state=finished raised gaierror>]

Traceback (most recent call last):


 "/home/pkahn/anaconda3/lib/python3.6/multiprocessing/process.py", line 258, in _bootstrap

self.run()


 "/home/pkahn/anaconda3/lib/python3.6/multiprocessing/process.py", line 93, in run

self._target(*self._args, **self._kwargs)


 "/home/pkahn/anaconda3/lib/python3.6/site-packages/autogluon/scheduler/scheduler.py", line 125, in _worker

ret = fn(**kwargs)


 "/home/pkahn/anaconda3/lib/python3.6/site-packages/autogluon/core/decorator.py", line 58, in __call__

output = self.f(args, **kwargs)


 "/home/pkahn/anaconda3/lib/python3.6/site-packages/autogluon/core/decorator.py", line 139, in wrapper_call

return func(*args, **kwargs)


 "/home/pkahn/anaconda3/lib/python3.6/site-packages/autogluon/utils/tabular/ml/models/lgb/hyperparameters/lgb_trial.py", line 82, in lgb_trial

trial_model_file = lgb_model.save(file_prefix=file_prefix, directory=directory, return_filename=True)


 "/home/pkahn/anaconda3/lib/python3.6/site-packages/autogluon/utils/tabular/ml/models/abstract/abstract_model.py", line 166, in save

save_pkl.save(path=file_name, object=self, verbose=verbose)


 "/home/pkahn/anaconda3/lib/python3.6/site-packages/autogluon/utils/tabular/utils/savers/save_pkl.py", line 11, in save

save_with_fn(path, object, pickle_fn, format=format, verbose=verbose)


 "/home/pkahn/anaconda3/lib/python3.6/site-packages/autogluon/utils/tabular/utils/savers/save_pkl.py", line 24, in save_with_fn

pickle_fn(object, fout)


 "/home/pkahn/anaconda3/lib/python3.6/site-packages/autogluon/utils/tabular/utils/savers/save_pkl.py", line 10, in <lambda>

pickle_fn = lambda o, buffer: pickle.dump(o, buffer, protocol=4)
_pickle.PicklingError: Can't pickle <function median_absolute_percentage_error_raw at 0x7f4f5af24378>: it's not the same object as __main__.median_absolute_percentage_error_raw
