  from tensorflow.python.framework import (  # pylint:disable=no-name-in-module
      errors_impl as tf_errors)
  
  from lib.image import hex_to_rgb
  from lib.training import PreviewDataGenerator, TrainingDataGenerator
  from lib.training.generator import BatchType, DataGenerator
  from lib.utils import FaceswapError, get_folder, get_image_paths
  from plugins.train._config import Config
  
  if T.TYPE_CHECKING:
      from collections.abc import Callable, Generator
 
</s> remove     from collections.abc import Callable, Generator
 </s> add     from collections.abc import Callable </s> remove # Ignore linting errors from Tensorflow's thoroughly broken import system
from tensorflow.keras import backend as K  # pylint:disable=import-error
from tensorflow.keras.layers import Input  # pylint:disable=import-error
from tensorflow.keras.models import load_model, Model as KModel  # noqa:E501  # pylint:disable=import-error

 </s> add  </s> remove from .generator import PreviewDataGenerator, TrainingDataGenerator
 </s> add from .generator import Feeder
from .lr_finder import LearningRateFinder </s> remove logger = logging.getLogger(__name__)  # pylint: disable=invalid-name
 </s> add logger = logging.getLogger(__name__)
from lib.training import Feeder, LearningRateFinder
  from tensorflow.python.framework import (  # pylint:disable=no-name-in-module
      errors_impl as tf_errors)
  
  from lib.image import hex_to_rgb
from lib.training import Feeder, LearningRateFinder
from lib.training import Feeder, LearningRateFinder
  from lib.utils import FaceswapError, get_folder, get_image_paths
  from plugins.train._config import Config
  
  if T.TYPE_CHECKING:
      from collections.abc import Callable, Generator
keep keep keep keep replace replace keep keep keep keep keep
 Learning Rate finder (#1341)

* Add LR Finder support structure

* Move trainer.Feeder to lib.training.generator

* Expose model.io

* Add lr_finder

* Update docs and locales

* Pre-PR fixups
  - Fix training graph not displaying
  - CI fixes
  - Switch lr finder progress to tqdm
  - Exit lr finder early on NaN
  - Display lr finder progress in GUI 
plugins/train/trainer/_base.py