(self)
return None
The `ArraySpec` which describes observation arrays from this observable.

      If this property is `None`, then the specification should be inferred by
      actually retrieving an observation from this observable.
The `ArraySpec` which describes observation arrays from this observable.
The ArraySpec which describes observation arrays from this observable .
def array_spec(self):
    """The `ArraySpec` which describes observation arrays from this observable.

      If this property is `None`, then the specification should be inferred by
      actually retrieving an observation from this observable.
    """
    return None
def array_spec ( self ) : return None