import sys
from torch.nn import Module
from torch import Tensor
from torchvision.transforms import *
from torch.optim.optimizer import Optimizer
from torch.utils.data.dataloader import DataLoader
from torch.optim.lr_scheduler import _LRScheduler
from pathlib import PosixPath
from typing import (List, Any, Union, Dict, Callable, Optional, Tuple,
	Generator, Collection, Iterable)
from .initializers import Initializer
from .callbacks import Callback
from .metrics import Metric

SimpleNamespace = type(sys.implementation)
ListRules = Collection[Callable[[str],str]]
Tokens = Collection[Collection[str]]

Transforms= Union[CenterCrop, ColorJitter, Compose, FiveCrop, Grayscale,
	Lambda, LinearTransformation, Normalize, Pad, RandomAffine,
	RandomApply, RandomChoice, RandomCrop, RandomGrayscale,
	RandomHorizontalFlip, RandomOrder, RandomResizedCrop, RandomRotation,
	RandomSizedCrop, RandomVerticalFlip, Resize, Scale, TenCrop,
	ToPILImage, ToTensor]
LRScheduler = _LRScheduler
ModelParams = Generator[Tensor,Tensor,Tensor]