# Copyright 2023 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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"""Yolo initializer ops."""

import tensorflow as tf


def pytorch_kernel_initializer(kernel_initializer):
  """Prepare kernel weights initializer to match PyTorch implementation."""
  if kernel_initializer == 'VarianceScaling':
    return tf.keras.initializers.VarianceScaling(
        scale=1 / 3, mode='fan_in', distribution='uniform'
    )
  return kernel_initializer
