Use TypeIs in is_dataclass by NeilGirdhar · Pull Request #11929 · python/typeshed

Diff from mypy_primer, showing the effect of this PR on open source code:

pydantic (https://github.com/samuelcolvin/pydantic)
+ pydantic/v1/json.py:80: error: No overload variant of "asdict" matches argument type "type[DataclassInstance]"  [call-overload]
+ pydantic/v1/json.py:80: note: Possible overload variants:
+ pydantic/v1/json.py:80: note:     def asdict(obj: DataclassInstance) -> dict[str, Any]
+ pydantic/v1/json.py:80: note:     def [_T] asdict(obj: DataclassInstance, *, dict_factory: Callable[[list[tuple[str, Any]]], _T]) -> _T
+ pydantic/deprecated/json.py:98: error: No overload variant of "asdict" matches argument type "type[DataclassInstance]"  [call-overload]
+ pydantic/deprecated/json.py:98: note: Possible overload variants:
+ pydantic/deprecated/json.py:98: note:     def asdict(obj: DataclassInstance) -> dict[str, Any]
+ pydantic/deprecated/json.py:98: note:     def [_T] asdict(obj: DataclassInstance, *, dict_factory: Callable[[list[tuple[str, Any]]], _T]) -> _T

hydra-zen (https://github.com/mit-ll-responsible-ai/hydra-zen)
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "Literal[False] | None"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "bool"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "Builds[Callable[[Callable[..., Any]], Callable[..., Any]]] | ZenPartialBuilds[Callable[[Callable[..., Any]], Callable[..., Any]]] | HydraPartialBuilds[Callable[[Callable[..., Any]], Callable[..., Any]]] | Just[Callable[[Callable[..., Any]], Callable[..., Any]]] | type[Builds[Callable[[Callable[..., Any]], Callable[..., Any]]]] | type[ZenPartialBuilds[Callable[[Callable[..., Any]], Callable[..., Any]]]] | type[HydraPartialBuilds[Callable[[Callable[..., Any]], Callable[..., Any]]]] | type[Just[Callable[[Callable[..., Any]], Callable[..., Any]]]] | Callable[[Callable[..., Any]], Callable[..., Any]] | str | None | Sequence[Builds[Callable[[Callable[..., Any]], Callable[..., Any]]] | ZenPartialBuilds[Callable[[Callable[..., Any]], Callable[..., Any]]] | HydraPartialBuilds[Callable[[Callable[..., Any]], Callable[..., Any]]] | Just[Callable[[Callable[..., Any]], Callable[..., Any]]] | type[Builds[Callable[[Callable[..., Any]], Callable[..., Any]]]] | type[ZenPartialBuilds[Callable[[Callable[..., Any]], Callable[..., Any]]]] | type[HydraPartialBuilds[Callable[[Callable[..., Any]], Callable[..., Any]]]] | type[Just[Callable[[Callable[..., Any]], Callable[..., Any]]]] | Callable[[Callable[..., Any]], Callable[..., Any]] | str | None]"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "Mapping[str, SupportedPrimitive] | None"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "list[str | DataClass_ | type[DataClass_] | Mapping[str, str | Sequence[str] | None]] | None"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "str | None"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "tuple[type[DataClass_], ...]"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "ZenConvert | None"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1129: error: Argument 2 to "builds" of "BuildsFn" has incompatible type "**dict[str, int | float | Path | DataClass_ | type[DataClass_] | Enum | Any | Sequence[HydraSupportedType] | Mapping[Any, HydraSupportedType] | None]"; expected "T"  [arg-type]
- src/hydra_zen/structured_configs/_implementations.py:1161: error: Incompatible types in assignment (expression has type "Just", variable has type "type[Builds[Any]]")  [assignment]

pytest (https://github.com/pytest-dev/pytest)
+ src/_pytest/_io/pprint.py:117: error: Right operand of "and" is never evaluated  [unreachable]
+ src/_pytest/_io/pprint.py:125: error: Statement is unreachable  [unreachable]

streamlit (https://github.com/streamlit/streamlit)
+ lib/streamlit/runtime/caching/hashing.py: note: In member "_to_bytes" of class "_CacheFuncHasher":
+ lib/streamlit/runtime/caching/hashing.py:409:34: error: No overload variant of "asdict" matches argument type "Type[DataclassInstance]"  [call-overload]
+ lib/streamlit/runtime/caching/hashing.py:409:34: note: Possible overload variants:
+ lib/streamlit/runtime/caching/hashing.py:409:34: note:     def asdict(obj: DataclassInstance) -> Dict[str, Any]
+ lib/streamlit/runtime/caching/hashing.py:409:34: note:     def [_T] asdict(obj: DataclassInstance, *, dict_factory: Callable[[List[Tuple[str, Any]]], _T]) -> _T