message: Fix error message for unsupported precision modes.
diff: @@ -666,11 +666,11 @@ class TrtGraphConverter(GraphConverter):
  ".".join([str(x) for x in loaded_version]))
  # Check input arguments.
  - if precision_mode not in TrtPrecisionMode.supported_precision_modes():
  + supported_precision_modes = TrtPrecisionMode.supported_precision_modes()
  + if precision_mode not in supported_precision_modes:
  raise ValueError(("precision mode '{}' is not supported."
  "It should be one of {}").format(
  - precision_mode,
  - TrtPrecisionMode.supported_precision_modes))
  + precision_mode, supported_precision_modes))
  if cached_engine_batches:
  if not isinstance(cached_engine_batches, list):
  