@classmethod
def from_dict(cls, spec_dict: Dict) -> Specification:
    'Builds the specification from a dictionary.'
    args = cls.parse_spec_dict(spec_dict)
    return cls(*args)
Builds the specification from a dictionary.
@classmethod
def from_dict(cls, spec_dict: Dict) -> Specification:
    
    args = cls.parse_spec_dict(spec_dict)
    return cls(*args)