message: Change description of `timeout` from "amount of time" to "number of seconds".
diff: @@ -180,7 +180,7 @@ def wait_for_new_checkpoint(checkpoint_dir,
  a checkpoint for the first time.
  seconds_to_sleep: The number of seconds to sleep for before looking for a
  new checkpoint.
  - timeout: The maximum amount of time to wait. If left as `None`, then the
  + timeout: The maximum number of seconds to wait. If left as `None`, then the
  process will wait indefinitely.
  Returns:
  @@ -232,8 +232,8 @@ def checkpoints_iterator(checkpoint_dir,
  checkpoint_dir: The directory in which checkpoints are saved.
  min_interval_secs: The minimum number of seconds between yielding
  checkpoints.
  - timeout: The maximum amount of time to wait between checkpoints. If left as
  - `None`, then the process will wait indefinitely.
  + timeout: The maximum number of seconds to wait between checkpoints. If left
  + as `None`, then the process will wait indefinitely.
  timeout_fn: Optional function to call after a timeout. If the function
  returns True, then it means that no new checkpoints will be generated and
  the iterator will exit. The function is called with no arguments.
  @@ -398,8 +398,8 @@ def evaluate_repeatedly(checkpoint_dir,
  configure the `Session`. If left as `None`, the default will be used.
  max_number_of_evaluations: The maximum times to run the evaluation. If left
  as `None`, then evaluation runs indefinitely.
  - timeout: The maximum amount of time to wait between checkpoints. If left as
  - `None`, then the process will wait indefinitely.
  + timeout: The maximum number of seconds to wait between checkpoints. If left
  + as `None`, then the process will wait indefinitely.
  timeout_fn: Optional function to call after a timeout. If the function
  returns True, then it means that no new checkpoints will be generated and
  the iterator will exit. The function is called with no arguments.
  