[bug] Missing required positional argument in PydanticFieldValidator initialization

[thekaranacharya]

Describe the bug
In the __init__ method of PydanticFieldValidator, the kwarg field_validator is not passed along in the super call as follows:
super().__init__(on_fail, **kwargs).

Location:

guardrails/guardrails/validators/pydantic_field_validator.py

Lines 32 to 39 in 8833c05

	def __init__(
	self,
	field_validator: Callable,
	on_fail: Optional[Callable[..., Any]] = None,
	**kwargs,
	):
	self.field_validator = field_validator
	super().__init__(on_fail, **kwargs)

This causes the argument field_validator to not propagate through all the future calls, causing the runtime validator initialization to fail with the following error:

TypeError: init() missing 1 required positional argument: 'field_validator'

To Reproduce
Steps to reproduce the behavior:

1. Define the prompt
2. Define the Pydantic class and add the PydanticFieldValidator for a field as follows:
   field_name: int = Field(description="Some description", validators=[PydanticFieldValidator(field_validator=your_validation_function, on_fail="fix")])
3. Initialise the guard as follows: guard = gd.Guard.from_pydantic(output_class=<PydanticClassName>, prompt=prompt)

Expected behavior
The error should not be raised.

Library version:
v0.3.2 (Latest version as of now)

Probable fix
Like in the __init__ methods for all other validators, we explicitly pass in the required argument in the super call alongwith any other kwargs as follows:

def __init__(
        self,
        arg_1: Any,
        on_fail: Optional[Callable[..., Any]] = None,
        **kwargs,
    ):
        super().__init__(on_fail, arg_1=arg_1, **kwargs)

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[github-actions]

This issue was closed because it has been stalled for 14 days with no activity.