AttributeError when SARIMAX() is used

[jasonchia89]

Can someone explain why is my domain a numpy.ndarray object when it clearly is a dictionary assuming domain refers to the param_space dictionary. Otherwise, would appreciate if someone could explain what the error in the image is about?

In gist, error encountered in line on “for x in sorted(domain.keys()):” of domain_space.py’s “convert_GP_space(self,domain_list)” and the error is “AttributeError: ‘numpy.ndarray’ object has no attribute ‘keys’ “