Remote deprecated qiskit.qiskiterror module (#2399)

* Remote deprecated qiskit.qiskiterror module

* Update CHANGELOG

CHANGELOG.rst

@@ -30,6 +30,8 @@ Removed
 - The previously deprecated ``qiskit._util`` module has been removed. Use
   ``qiskit.util`` instead. (#2329)
 - The logging tools in ``qiskit.tools.logging`` are removed. (#2387)
+- The ``qiskit.qiskiterror`` module has been removed. Please use
+  ``qiskit.exceptions`` instead. (#2399)
 
 `0.8.0`_ - 2019-05-02
 =====================

qiskit/qiskiterror.py

@@ -1,23 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# This code is part of Qiskit.
-#
-# (C) Copyright IBM 2017.
-#
-# This code is licensed under the Apache License, Version 2.0. You may
-# obtain a copy of this license in the LICENSE.txt file in the root directory
-# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
-#
-# Any modifications or derivative works of this code must retain this
-# copyright notice, and modified files need to carry a notice indicating
-# that they have been altered from the originals.
-
-"""Exception for errors raised by Qiskit.
-
-Note: this module will be deprecated in Terra 0.8+. Please import the exceptions
-from the `qiskit.exceptions` module instead.
-"""
-
-# pylint: disable=unused-import
-
-from .exceptions import QiskitError

qiskit/quantum_info/operators/base_operator.py

@@ -12,7 +12,7 @@ from abc import ABC, abstractmethod
 
 import numpy as np
 
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.predicates import ATOL_DEFAULT, RTOL_DEFAULT
 
 

qiskit/quantum_info/operators/channel/chi.py

@@ -27,7 +27,7 @@ import numpy as np
 
 from qiskit.circuit.quantumcircuit import QuantumCircuit
 from qiskit.circuit.instruction import Instruction
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.channel.quantum_channel import QuantumChannel
 from qiskit.quantum_info.operators.channel.choi import Choi
 from qiskit.quantum_info.operators.channel.superop import SuperOp

qiskit/quantum_info/operators/channel/choi.py

@@ -28,7 +28,7 @@ import numpy as np
 
 from qiskit.circuit.quantumcircuit import QuantumCircuit
 from qiskit.circuit.instruction import Instruction
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.channel.quantum_channel import QuantumChannel
 from qiskit.quantum_info.operators.channel.superop import SuperOp
 from qiskit.quantum_info.operators.channel.transformations import _to_choi

qiskit/quantum_info/operators/channel/kraus.py

@@ -32,7 +32,7 @@ import numpy as np
 
 from qiskit.circuit.quantumcircuit import QuantumCircuit
 from qiskit.circuit.instruction import Instruction
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.predicates import is_identity_matrix
 from qiskit.quantum_info.operators.channel.quantum_channel import QuantumChannel
 from qiskit.quantum_info.operators.channel.choi import Choi

qiskit/quantum_info/operators/channel/ptm.py

@@ -33,7 +33,7 @@ import numpy as np
 
 from qiskit.circuit.quantumcircuit import QuantumCircuit
 from qiskit.circuit.instruction import Instruction
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.channel.quantum_channel import QuantumChannel
 from qiskit.quantum_info.operators.channel.superop import SuperOp
 from qiskit.quantum_info.operators.channel.transformations import _to_ptm

qiskit/quantum_info/operators/channel/quantum_channel.py

@@ -12,7 +12,7 @@ Abstract base class for Quantum Channels.
 
 import numpy as np
 
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.base_operator import BaseOperator
 from qiskit.quantum_info.operators.operator import Operator
 from qiskit.quantum_info.operators.predicates import is_identity_matrix

qiskit/quantum_info/operators/channel/stinespring.py

@@ -30,7 +30,7 @@ import numpy as np
 
 from qiskit.circuit.quantumcircuit import QuantumCircuit
 from qiskit.circuit.instruction import Instruction
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.predicates import is_identity_matrix
 from qiskit.quantum_info.operators.channel.quantum_channel import QuantumChannel
 from qiskit.quantum_info.operators.channel.kraus import Kraus

qiskit/quantum_info/operators/channel/superop.py

@@ -26,7 +26,7 @@ import numpy as np
 
 from qiskit.circuit.quantumcircuit import QuantumCircuit
 from qiskit.circuit.instruction import Instruction
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.channel.quantum_channel import QuantumChannel
 from qiskit.quantum_info.operators.channel.transformations import _to_superop
 from qiskit.quantum_info.operators.channel.transformations import _bipartite_tensor

qiskit/quantum_info/operators/channel/transformations.py

@@ -13,7 +13,7 @@ Transformations between QuantumChannel representations.
 import numpy as np
 import scipy.linalg as la
 
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.predicates import is_hermitian_matrix
 from qiskit.quantum_info.operators.predicates import ATOL_DEFAULT
 

qiskit/quantum_info/operators/measures.py

@@ -20,7 +20,7 @@ A collection of useful quantum information functions for operators.
 
 import numpy as np
 
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators import Operator
 from qiskit.quantum_info.operators import SuperOp
 

qiskit/quantum_info/operators/operator.py

@@ -14,7 +14,7 @@ import numpy as np
 
 from qiskit.circuit.quantumcircuit import QuantumCircuit
 from qiskit.circuit.instruction import Instruction
-from qiskit.qiskiterror import QiskitError
+from qiskit.exceptions import QiskitError
 from qiskit.quantum_info.operators.predicates import is_unitary_matrix
 from qiskit.quantum_info.operators.base_operator import BaseOperator