rohitg00/ai-engineering-from-scratch · error · ValueError

unknown operator: {self.operator}

Error message

unknown operator: {self.operator}

What it means

Error "unknown operator: {self.operator}" thrown in rohitg00/ai-engineering-from-scratch.

Source

Thrown at certifications/claude/lessons/32-architect-professional-system-capstone/code/main.py:60

    hard_gate: bool = False


@dataclass(frozen=True)
class EvaluationGate:
    metric: str
    observed: float
    operator: str
    threshold: float
    segment: str = "all"

    def passes(self) -> bool:
        operations = {
            ">=": lambda value, target: value >= target,
            "<=": lambda value, target: value <= target,
            "==": lambda value, target: value == target,
        }
        if self.operator not in operations:
            raise ValueError(f"unknown operator: {self.operator}")
        return operations[self.operator](self.observed, self.threshold)


@dataclass(frozen=True)
class ArchitecturePacket:
    outcome: str
    non_goals: tuple[str, ...]
    requirements: tuple[Requirement, ...]
    decisions: tuple[Decision, ...]
    controls: tuple[Control, ...]
    evaluation_gates: tuple[EvaluationGate, ...]
    rollback_runbook: str
    operating_owner: str


@dataclass(frozen=True)
class Finding:
    category: str

View on GitHub (pinned to 39ea8a1c6d)

When it happens

Trigger: Thrown at certifications/claude/lessons/32-architect-professional-system-capstone/code/main.py:60 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of rohitg00/ai-engineering-from-scratch@39ea8a1c6d (2026-08-26). Data as JSON: /api/errors/9860ac2cbeb42781. Report an issue: GitHub.