__init__.py

# __init__.py
from typing import TYPE_CHECKING

from transformers.utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_torch_available,
)

_import_structure = {
    "configuration_arlow_gpt": ["ARLOW_GPT_PRETRAINED_CONFIG_ARCHIVE_MAP", "ArlowGPTConfig"],
}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _import_structure["modeling_arlow_gpt"] = [
        "ArlowGPTModel",
        "ArlowGPTForImageTextToText",
        "ArlowGPTPreTrainedModel",
    ]

if TYPE_CHECKING:
    from .configuration_arlow_gpt import ARLOW_GPT_PRETRAINED_CONFIG_ARCHIVE_MAP, ArlowGPTConfig

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_arlow_gpt import (
            ArlowGPTModel,
            ArlowGPTForImageTextToText,
            ArlowGPTPreTrainedModel,
        )

else:
    import sys
    sys.modules[__name__] = _LazyModule(__name__, globals()["__file__"], _import_structure)