| # This code is part of a Qiskit project. | |
| # | |
| # (C) Copyright IBM 2022, 2023. | |
| # | |
| # 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. | |
| """Introduced new type to maintain readability.""" | |
| from typing import TypeVar, List, Union, Optional, Dict | |
| _T = TypeVar("_T") # Pylint does not allow single character class names. | |
| ListOrDict = Union[List[Optional[_T]], Dict[str, _T]] | |