old_contents: """Provides the repository macro to import TFRT."""
  
  load("//third_party:repo.bzl", "tf_http_archive")
  
  def repo():
      """Imports TFRT."""
  
      # Attention: tools parse and update these lines.
      TFRT_COMMIT = "4768b9bb36ebb7c9ec3ce5ef5eae603eb0568821"
      TFRT_SHA256 = "0f7ac66812a507dca0bbf079b7e5eb3b37e404f3478f42e50b2a03287fc0e3e9"
  
      tf_http_archive(
          name = "tf_runtime",
          sha256 = TFRT_SHA256,
          strip_prefix = "runtime-{commit}".format(commit = TFRT_COMMIT),
          urls = [
              "http://mirror.tensorflow.org/github.com/tensorflow/runtime/archive/{commit}.tar.gz".format(commit = TFRT_COMMIT),
              "https://github.com/tensorflow/runtime/archive/{commit}.tar.gz".format(commit = TFRT_COMMIT),
          ],
      )
  
new_contents: """Provides the repository macro to import TFRT."""
  
  load("//third_party:repo.bzl", "tf_http_archive")
  
  def repo():
      """Imports TFRT."""
  
      # Attention: tools parse and update these lines.
      TFRT_COMMIT = "4b20d65ea59434890477d1f24f4b660fd5a0491f"
      TFRT_SHA256 = "043a2c229634aa05d466344884de97a3079d821257931df8e1220542d682cb64"
  
      tf_http_archive(
          name = "tf_runtime",
          sha256 = TFRT_SHA256,
          strip_prefix = "runtime-{commit}".format(commit = TFRT_COMMIT),
          urls = [
              "http://mirror.tensorflow.org/github.com/tensorflow/runtime/archive/{commit}.tar.gz".format(commit = TFRT_COMMIT),
              "https://github.com/tensorflow/runtime/archive/{commit}.tar.gz".format(commit = TFRT_COMMIT),
          ],
      )
  
subject: Update TFRT dependency to use revision http://github.com/tensorflow/runtime/commit/4b20d65ea59434890477d1f24f4b660fd5a0491f.