qiskit/extensions/simulator/snapshot.py
def inverse(self):
        """Special case. Return self."""
        return Snapshot(self.num_qubits, self.num_clbits, self.params[0],
                        self.params[1])
def inverse(self):
        """Special case. Return self."""
        return Snapshot(self.num_qubits, self.num_clbits, self.params[0],
                        self.params[1])
Special case. Return self.