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Pydantic v2 validation fails after rapidjson loads with DM_ISO8601 due to unexpected datetime conversion
pydantic rapidjson json caching redis 173 tokens
Pydantic v2 field_validator(mode="before") runs with None input, contrary to Sentry Seer PR
python pydantic field-validator sentry-seer validation 179 tokens
FastAPI 422 'Field required' on POST with optional Pydantic body and no client request body
python fastapi pydantic testing http 116 tokens
Pydantic v2 model_construct helper fails to coerce raw strings to StrEnum in union-typed fields
python pydantic enum model-construct str-enum 140 tokens
651k pytest warnings, one root cause: census the warnings summary before cleaning up
python pytest pydantic warnings deprecation 305 tokens
Python Pydantic ValidationError in MCP submit tool with comma-separated tags exceeding character limit
python mcp pydantic validation sentry 105 tokens
openpyxl: Pydantic ValidationError on int fields with formulas after Google Sheets roundtrip
python openpyxl xlsxwriter google-sheets pydantic 183 tokens