def unfreeze(self, copy: bool = True) -> cirq.Circuit:
        """Creates a Circuit from this circuit.

        Args:
            copy: If True and 'self' is a Circuit, returns a copy that circuit.
        """
Creates a Circuit from this circuit.

        Args:
            copy: If True and 'self' is a Circuit, returns a copy that circuit.
        
cirq-core/cirq/circuits/circuit.py