tensorflow/models · error

You passed in `--do_lower_case=%s` with `--init_checkpoint=%

Error message

You passed in `--do_lower_case=%s` with `--init_checkpoint=%s`. However, `%s` seems to be a %s model, so you should pass in `--do_lower_case=%s` so that the fine-tuning matches how the model was pre-training. If this error is wrong, please just comment out this check.

What it means

Error "You passed in `--do_lower_case=%s` with `--init_checkpoint=%s`. However, `%s` seems to be a %s model, so you should pass in `--do_lower_case=%s` so that the fine-tuning matches how the model was pre-training. If this error is wrong, please just comment out this check." thrown in tensorflow/models.

Source

Thrown at official/nlp/tools/tokenization.py:75

      "cased_L-12_H-768_A-12", "cased_L-24_H-1024_A-16",
      "multi_cased_L-12_H-768_A-12"
  ]

  is_bad_config = False
  if model_name in lower_models and not do_lower_case:
    is_bad_config = True
    actual_flag = "False"
    case_name = "lowercased"
    opposite_flag = "True"

  if model_name in cased_models and do_lower_case:
    is_bad_config = True
    actual_flag = "True"
    case_name = "cased"
    opposite_flag = "False"

  if is_bad_config:
    raise ValueError(
        "You passed in `--do_lower_case=%s` with `--init_checkpoint=%s`. "
        "However, `%s` seems to be a %s model, so you "
        "should pass in `--do_lower_case=%s` so that the fine-tuning matches "
        "how the model was pre-training. If this error is wrong, please "
        "just comment out this check." %
        (actual_flag, init_checkpoint, model_name, case_name, opposite_flag))  # pyrefly: ignore[unbound-name]


def convert_to_unicode(text):
  """Converts `text` to Unicode (if it's not already), assuming utf-8 input."""
  if six.PY3:
    if isinstance(text, str):
      return text
    elif isinstance(text, bytes):
      return text.decode("utf-8", "ignore")
    else:
      raise ValueError("Unsupported string type: %s" % (type(text)))
  elif six.PY2:

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/nlp/tools/tokenization.py:75 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of tensorflow/models@e006f5f0d5 (2026-08-24). Data as JSON: /api/errors/89324ce29b86e13d. Report an issue: GitHub.