{"record":{"id":"9df0fc31719b5aaf","repo":"HKUDS/Vibe-Trading","slug":"rate-must-be-numeric-got-self-rate-r","errorCode":null,"errorMessage":"rate must be numeric, got {self.rate!r}","messagePattern":"rate must be numeric, got (.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"agent/src/entities/cashflow.py","lineNumber":492,"sourceCode":"        Raises:\n            ValueError: If either currency code is invalid, the date is\n                unsupported, or the rate is not finite and strictly positive.\n        \"\"\"\n        object.__setattr__(\n            self,\n            \"base_currency\",\n            normalize_currency(self.base_currency, field_name=\"base_currency\"),\n        )\n        object.__setattr__(\n            self,\n            \"quote_currency\",\n            normalize_currency(self.quote_currency, field_name=\"quote_currency\"),\n        )\n        object.__setattr__(self, \"date\", normalize_date(self.date))\n        try:\n            rate = float(self.rate)\n        except (TypeError, ValueError) as exc:\n            raise ValueError(f\"rate must be numeric, got {self.rate!r}\") from exc\n        if not math.isfinite(rate) or rate <= 0:\n            raise ValueError(\n                f\"rate must be finite and strictly positive -- it is \"\n                f\"quote-per-base units -- got {rate!r}; a zero or negative \"\n                \"rate would silently zero out or flip the sign of every flow \"\n                \"translated with it\"\n            )\n        object.__setattr__(self, \"rate\", rate)\n\n\n@dataclass(frozen=True)\nclass FxRateTable:\n    \"\"\"A lookup of FX rates, every entry quoted against one fixed currency.\n\n    All entries must share the same ``quote_currency``: a table that mixed\n    quote currencies would make \"translate to X\" ambiguous, so that is\n    rejected at construction rather than left to whichever rate happens to be\n    looked up first.","sourceCodeStart":474,"sourceCodeEnd":510,"githubUrl":"https://github.com/HKUDS/Vibe-Trading/blob/80ffdda44c5c4db0dd84d70e051cca591cea67df/agent/src/entities/cashflow.py#L474-L510","documentation":"FxRate.__post_init__ coerces rate to float and rejects non-numeric input (TypeError/ValueError from float()). FX rates must be numbers for translation arithmetic to be valid.","triggerScenarios":"FxRate(base_currency='EUR', quote_currency='USD', date=d, rate='n/a') or rate=None or an unparseable string.","commonSituations":"FX rate columns from CSV with 'N/A', dashes, or thousands separators; API responses where the rate field is occasionally a string; optional lookups returning None.","solutions":["Parse/validate the rate column to float before constructing FxRate","Treat missing rates as absent data: skip the entry (and rely on allow_stale or fail explicitly) rather than passing a sentinel string"],"exampleFix":"# before\nFxRate('EUR','USD',d, rate='1.0850 USD')\n# after\nFxRate('EUR','USD',d, rate=1.0850)","handlingStrategy":"validation","validationCode":"rate = float(str(raw_rate).replace(',', '').strip())\nif math.isnan(rate): raise SkipRate(raw_rate)","typeGuard":"def is_numeric_rate(v) -> bool:\n    return isinstance(v, (int, float)) and not isinstance(v, bool)","tryCatchPattern":"try:\n    FxRate('EUR','USD',d, rate=raw)\nexcept ValueError as e:\n    if 'rate must be numeric' in str(e):\n        skip_or_repair(raw)","preventionTips":["pd.to_numeric(errors='coerce') then dropna on the rate column","Skip feed rows with placeholder rate strings like '-' or 'N/A'"],"tags":["python","fx-rate","type-validation"],"backgroundTag":"numeric-field-parse-failed","analyzedSha":"80ffdda44c5c4db0dd84d70e051cca591cea67df","analyzedAt":"2026-08-28T12:46:38.989Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}