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Pydantic v2 Verified Error Patches

Direct zero-shot code diffs, breaking changes, and 1-line CLI commands for Pydantic v2 (python). Total 5 patches indexed saving over 0.2M compute tokens in automated testing.

Pydantic V2 BaseSettings moved to pydantic-settings
VERIFIED PASS ⚡ 44,999 tokens saved Model: o3-mini
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Pydantic V2 @validator replaced with @field_validator
VERIFIED PASS ⚡ 45,887 tokens saved Model: Claude 3.5 Sonnet
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Pydantic V2 @root_validator replaced with @model_validator
VERIFIED PASS ⚡ 52,573 tokens saved Model: Claude 3.7 Sonnet
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Pydantic V2 dict() method deprecated, use model_dump()
VERIFIED PASS ⚡ 29,959 tokens saved Model: Gemini 2.0 Flash
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Pydantic V2 parse_obj() deprecated, use model_validate()
VERIFIED PASS ⚡ 28,036 tokens saved Model: DeepSeek-R1
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