keras/keras_core/regularizers/__init__.py

from keras_core.regularizers.regularizers import L1
from keras_core.regularizers.regularizers import L1L2
from keras_core.regularizers.regularizers import L2
from keras_core.regularizers.regularizers import OrthogonalRegularizer
from keras_core.regularizers.regularizers import Regularizer


def get(identifier):
    # temporary shim.
    return identifier