cases / pydantic-v2-migration

pydantic-v2-migration

pydantic 1.10.13 → 2.0.0

Pydantic v2 renamed the model serialisation methods and replaced the validator decorator.

pypi fixture evals/fixtures/pydantic-v2-migration

grep-baseline

2 right 2 wrong 3 unjudged

<0.1s · $0.00

agent · deepseek-v4-flash-free

2 right 0 wrong

39.6s · $0.00

What each detector said

One row per (file, symbol) site — the unit the scorer compares on. Ground truth comes from the case's hand-written labels.

7 sites · 5 where a detector is wrong only show mistakes

not broken app/report.py :dict grep-baseline flagged agent · deepseek-v4-flash-free silent

The dict builtin used as a type annotation.
2 matched lines · reasoning
```
   4  def summarize(rows: list[dict]) -> str:
   5  # `.dict()` never appears here; a raw dict literal is not a pydantic call.
```
grep-baseline conf 0.50
'BaseModel.dict' is named in the release notes and appears in 9 place(s) in this repo. No check was made that these are real call sites.
unlabeled app/report.py :json grep-baseline flagged agent · deepseek-v4-flash-free silent
2 matched lines · reasoning
```
   1  import json
   7  return json.dumps(totals)
```
grep-baseline conf 0.50
'BaseModel.json' is named in the release notes and appears in 2 place(s) in this repo. No check was made that these are real call sites.
unlabeled app/schemas/user.py :field_validator grep-baseline flagged agent · deepseek-v4-flash-free silent
1 matched line · reasoning
```
   8  # @validator was replaced by @field_validator in Pydantic v2.
```
grep-baseline conf 0.50
'field_validator' is named in the release notes and appears in 1 place(s) in this repo. No check was made that these are real call sites.
unlabeled app/schemas/user.py :model_dump grep-baseline flagged agent · deepseek-v4-flash-free silent
1 matched line · reasoning
```
  17  # BaseModel.dict() was renamed to model_dump() in v2.
```
grep-baseline conf 0.50
'BaseModel.model_dump' is named in the release notes and appears in 1 place(s) in this repo. No check was made that these are real call sites.
not broken app/utils/config.py :dict grep-baseline flagged agent · deepseek-v4-flash-free silent

Settings.dict() on a plain non-pydantic class, plus the dict() builtin. Renaming either would be a bug.
4 matched lines · reasoning
```
   7  def dict(self) -> dict:
   9  return dict(self._values)
  12  def load(**overrides) -> dict:
  14  return settings.dict()
```
grep-baseline conf 0.50
'BaseModel.dict' is named in the release notes and appears in 9 place(s) in this repo. No check was made that these are real call sites.
breaks app/schemas/user.py :dict grep-baseline flagged agent · deepseek-v4-flash-free flagged

user.dict() on a real pydantic BaseModel instance.
3 matched lines · reasoning
```
  16  def serialize(user: User) -> dict:
  17  # BaseModel.dict() was renamed to model_dump() in v2.
  18  return user.dict()
```
grep-baseline conf 0.50
'BaseModel.dict' is named in the release notes and appears in 9 place(s) in this repo. No check was made that these are real call sites.
breaks app/schemas/user.py :validator grep-baseline flagged agent · deepseek-v4-flash-free flagged

@validator decorator, imported from pydantic.
3 matched lines · reasoning
```
   1  from pydantic import BaseModel, validator
   8  # @validator was replaced by @field_validator in Pydantic v2.
   9  @validator("email")
```
grep-baseline conf 0.50
'validator' is named in the release notes and appears in 3 place(s) in this repo. No check was made that these are real call sites.