Fix type-checking when using deprecated FieldValidationInfo

Author: sisp

python/pydantic_core/core_schema.py

@@ -3909,6 +3909,9 @@ def general_plain_validator_function(*args, **kwargs):
     'FieldWrapValidatorFunction': WithInfoWrapValidatorFunction,
 }
 
+if TYPE_CHECKING:
+    FieldValidationInfo = ValidationInfo
+
 
 def __getattr__(attr_name: str) -> object:
     new_attr = _deprecated_import_lookup.get(attr_name)

tests/test_typing.py

@@ -23,6 +23,10 @@ def foo(bar: str) -> None:
     ...
 
 
+def validator_deprecated(value: Any, info: core_schema.FieldValidationInfo) -> None:
+    ...
+
+
 def validator(value: Any, info: core_schema.ValidationInfo) -> None:
     ...