HKUDS/DeepTutor · error · ValueError
mastery_quiz.options cannot be used with question_type={ques
Error message
mastery_quiz.options cannot be used with question_type={question_type!r}; omit options or use question_type='choice'. What it means
Error "mastery_quiz.options cannot be used with question_type={question_type!r}; omit options or use question_type='choice'." thrown in HKUDS/DeepTutor.
Source
Thrown at deeptutor/capabilities/mastery/tools.py:173
"""
if raw_options is None:
options: list[str] = []
elif not isinstance(raw_options, list):
raise ValueError("mastery_quiz.options must be an array of non-empty strings.")
elif any(not isinstance(option, str) or not option.strip() for option in raw_options):
raise ValueError("mastery_quiz.options must contain only non-empty strings.")
else:
options = [option.strip() for option in raw_options]
supplied_type = str(raw_question_type or "").strip().lower()
if supplied_type and supplied_type not in _QUESTION_TYPES:
allowed = ", ".join(_QUESTION_TYPES)
raise ValueError(f"mastery_quiz.question_type must be one of: {allowed}.")
question_type = supplied_type or ("choice" if options else "short")
if question_type != "choice":
if options:
raise ValueError(
f"mastery_quiz.options cannot be used with question_type={question_type!r}; "
"omit options or use question_type='choice'."
)
return question_type, [], expected_answer
intended_labels = option_label_intent(options)
if intended_labels is not None and set(intended_labels) != canonical_labels(
len(intended_labels)
):
raise ValueError(
f"Choice option labels must run A, B, C… with one option each; got "
f"{intended_labels}. Retry mastery_quiz with one full body per label."
)
choice_options = parse_options(options)
duplicate = _duplicate_option_body(choice_options)
if duplicate:
raise ValueError(View on GitHub (pinned to 3e82f13042)
When it happens
Trigger: Thrown at deeptutor/capabilities/mastery/tools.py:173 when the library encounters an invalid state.
Common situations: See trigger scenarios.
AI-assisted analysis of HKUDS/DeepTutor@3e82f13042 (2026-08-27).
Data as JSON: /api/errors/d7e9bee777bbb156.
Report an issue: GitHub.