message: Fix bad logging call in warmstarting_utils.py.
diff: @@ -415,8 +415,8 @@ def _warm_start(warm_start_settings):
  a stronger check for variable configuration than relying on users to
  examine the logs.
  """
  - logging.info("Warm-starting from: ",
  - warm_start_settings.ckpt_to_initialize_from)
  + logging.info("Warm-starting from: %s",
  + (warm_start_settings.ckpt_to_initialize_from,))
  # We have to deal with partitioned variables, since get_collection flattens
  # out the list.
  grouped_variables = {}
  