2021-04-09 10:44:50,071 - [1;31mERROR[0m - 99493:DummyThread-586 - zato.server.connection.http_soap.channel:0 - Caught an exception, cid:`ef88ad4dea77cf12b9aeca6c`, status_code:`HTTPStatus.INTERNAL_SERVER_ERROR`, `Traceback (most recent call last):


 "src/zato/cy/bunch.pyx", line 12, in zato.bunch.Bunch.__getattr__
AttributeError: 'ServiceInput' object has no attribute 'sub_key'

Traceback (most recent call last):



 "<ipython-input-7-612e002ded9a>", line 2, in <module>

trace = pm.sample(n_samples)



 "/usr/local/lib/python3.5/dist-packages/pymc3/sampling.py", line 240, in sample

progressbar=progressbar, **args)



 "/usr/local/lib/python3.5/dist-packages/pymc3/sampling.py", line 597, in init_nuts

obj_optimizer=pm.adagrad_window



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/inference.py", line 755, in fit

return inference.fit(n, **kwargs)



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/inference.py", line 123, in fit

step_func = self.objective.step_function(score=score, **kwargs)



 "/usr/local/lib/python3.5/dist-packages/pymc3/memoize.py", line 16, in memoizer

cache[key] = obj(*args, **kwargs)



 "/usr/local/lib/python3.5/dist-packages/theano/configparser.py", line 117, in res

return f(*args, **kwargs)



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/opvi.py", line 258, in step_function

total_grad_norm_constraint=total_grad_norm_constraint)



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/opvi.py", line 154, in updates

total_grad_norm_constraint=total_grad_norm_constraint



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/opvi.py", line 186, in add_obj_updates

obj_target = self(obj_z, more_obj_params=more_obj_params)



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/opvi.py", line 315, in __call__

self.op.apply(self.tf),



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/operators.py", line 24, in apply

return self.logq_norm(z) - self.logp_norm(z)



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/opvi.py", line 958, in logq_norm

return self.logq(z) / self.normalizing_constant



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/opvi.py", line 598, in normalizing_constant

tt.max([v.scaling for v in self.model.basic_RVs]))



 "/usr/local/lib/python3.5/dist-packages/pymc3/variational/opvi.py", line 598, in <listcomp>

tt.max([v.scaling for v in self.model.basic_RVs]))

AttributeError: 'MultiObservedRV' object has no attribute 'scaling'
