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refactor: use __all__ in accelerators/__init__.py #20889

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Jun 11, 2025
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refactor: use __all__ in accelerators/__init__.py #20889

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20 changes: 15 additions & 5 deletions src/lightning/pytorch/accelerators/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,16 +10,26 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

__all__ = [
"Accelerator",
"CPUAccelerator",
"CUDAAccelerator",
"MPSAccelerator",
"XLAAccelerator",
"find_usable_cuda_devices",
]

import sys

from lightning.fabric.accelerators import find_usable_cuda_devices # noqa: F401
from lightning.fabric.accelerators import find_usable_cuda_devices
from lightning.fabric.accelerators.registry import _AcceleratorRegistry
from lightning.fabric.utilities.registry import _register_classes
from lightning.pytorch.accelerators.accelerator import Accelerator
from lightning.pytorch.accelerators.cpu import CPUAccelerator # noqa: F401
from lightning.pytorch.accelerators.cuda import CUDAAccelerator # noqa: F401
from lightning.pytorch.accelerators.mps import MPSAccelerator # noqa: F401
from lightning.pytorch.accelerators.xla import XLAAccelerator # noqa: F401
from lightning.pytorch.accelerators.cpu import CPUAccelerator
from lightning.pytorch.accelerators.cuda import CUDAAccelerator
from lightning.pytorch.accelerators.mps import MPSAccelerator
from lightning.pytorch.accelerators.xla import XLAAccelerator

AcceleratorRegistry = _AcceleratorRegistry()
_register_classes(AcceleratorRegistry, "register_accelerators", sys.modules[__name__], Accelerator)
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