Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/home/ezlab/workdir/app/FeelUOwn/fuocore/mpvplayer.py", line 81, in play

_mpv_set_property_string(self._mpv.handle, b'ytdl-format', b'')


 "/home/ezlab/workdir/app/FeelUOwn/mpv.py", line 110, in raise_for_ec

raise ex(ec, *args)
AttributeError: ('mpv property does not exist', -8, (<MpvHandle object at 0x7f1145ce5240>, b'ytdl-format', b''))

Traceback (most recent call last):


 "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1988, in wsgi_app

response = self.full_dispatch_request()


 "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1641, in full_dispatch_request

rv = self.handle_user_exception(e)


 "/usr/local/lib/python2.7/dist-packages/flask_cors/extension.py", line 161, in wrapped_function

return cors_after_request(app.make_response(f(*args, **kwargs)))


 "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1544, in handle_user_exception

reraise(exc_type, exc_value, tb)


 "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1639, in full_dispatch_request

rv = self.dispatch_request()


 "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1625, in dispatch_request

return self.view_functions[rule.endpoint](**req.view_args)


 "/usr/local/lib/python2.7/dist-packages/flask_cors/decorator.py", line 128, in wrapped_function

resp = make_response(f(*args, **kwargs))


 "/usr/local/lib/python2.7/dist-packages/alerta/app/auth.py", line 125, in decorated

return f(*args, **kwargs)


 "/usr/local/lib/python2.7/dist-packages/alerta/app/management/views.py", line 128, in status

metrics.extend(Counter.get_counters(format='json'))
AttributeError: 'Cursor' object has no attribute 'extend'
